Words / F
English words starting with F
419 words, from Fable to Future. Levels A1 to C2. Each one opens a full lesson.
Fablenoun · A short story, often with animals, that teaches a moral; also a story that is not true.B2Fabricnoun · Cloth used for making clothes, curtains, or furniture; also the basic structure of something.B1Fabricateverb · To invent false information; also to make something in a factory.B2Facadenoun · The front of a building; also a false appearance that hides the truth.B2Facenoun · The front part of the head.A1Facetnoun · One side or aspect of a situation; also a flat face of a cut gem.C1Facetiousadjective · Treating a serious subject as a joke, often at the wrong time.C2Facileadjective · Too easy or glib to be a real answer; lacking depth.C2Facilitateverb · To make a process easier.B2Facilitationnoun · The act of making a process easier, often by guiding a meeting or sitting.C1Facilitatornoun · A person whose job is to guide a discussion or process without taking the decision.C1Facilitynoun · A building, service, or piece of equipment provided for a particular purpose.B1Factnoun · Something that is true and can be proved.A2Factionnoun · A small group inside a larger one that disagrees with the rest.B2Factionaladjective · Relating to a subgroup fighting for control inside a larger body.C1Factitiousadjective · Artificially created or developed; not genuine (formal).C2Factornoun · One of the things that influences a result.B2Factorynoun · A building where goods are made, usually by machines.A2Factualadjective · Based on facts rather than opinion or fiction.B2Facultynoun · A department in a university; also a natural ability (a faculty for languages).B1Fadeverb · To become paler, quieter, or weaker over time.B1Faffverb · To waste time on fiddly, unnecessary jobs (UK informal; often faff about).B1Failverb · To not succeed, or to not do what is needed.B1Failurenoun · A lack of success, or a person or thing that does not succeed.B1Faintadjective · Weak, slight, or hard to notice; as a verb, to lose consciousness for a short time.B1Fairadjective · Treating people equally and in a right way.A2Fairgroundnoun · An outdoor area with rides, stalls, and games at a fair.B1Fairlyadverb · To some degree, but not very; also in a just way.B1Fairnessnoun · The quality of treating people equally and reasonably.B2Fairynoun · A small imaginary person with magic, often with wings.A1Faithnoun · Strong trust or belief, including religious belief.B1Faithfuladjective · Loyal; also accurate as a copy or account.B2Faithfullyadverb · Accurately and loyally, without changing the original.C1Fakeadjective · Not genuine; made to look real in order to deceive.B1Falconnoun · A bird of prey with long pointed wings, sometimes trained for hunting.B2Fallverb · To drop down towards the ground.A1Fallaciousadjective · Based on a mistaken belief; logically unsound (formal).C2Fallacynoun · A false idea or a mistake in reasoning.C1Fallibleadjective · Able to make mistakes; not perfect (formal).C2Fallowadjective · Of land, left unplanted; inactive for a period (from idle, already in the dictionary, but not the same).C1Falseadjective · Not true, or not real.B1Falsifyverb · To change a record or figure so that it is no longer true.C1Falterverb · To lose strength or confidence, or to speak/move in a hesitant way.C1Famenoun · The state of being known by many people (uncountable).B1Familiaradjective · Easy to recognise because you have seen or heard it before.B1Familiaritynoun · The state of knowing something well from experience.C1Familynoun · A group of people who are related, such as parents and children.A1Faminenoun · A serious shortage of food that causes many people to starve.B1Famishedadjective · Extremely hungry (from hungry, already in the dictionary).C1Famousadjective · Known by many people.A2Fannoun · Someone who likes a person, sport, or thing very much.A2Fanaticnoun · A person with extreme, uncritical zeal for a cause or activity.C1Fancyverb · To want or like (UK); also to imagine, or to think someone is attractive.B2Fantasticadjective · Extremely good (informal); also strange, like a fantasy.B1Faradverb · A long way away.A1Farcenoun · A ridiculous, badly organised situation; also a comic play based on absurd events.C1Farenoun · The money you pay to travel by bus, train, taxi, or plane.A2Farewellnoun · An act of saying goodbye; also (adjective) last, as in a farewell speech.C1Farmnoun · Land and buildings used for growing food or keeping animals.A2Farmernoun · A person who keeps animals or grows food on the land.A1Farmingnoun · The work of growing crops and keeping animals for food (often uncountable).B1Farragonoun · A confused mixture of things (formal).C2Fascinatingadjective · Extremely interesting.B1Fascinationnoun · Very strong interest that holds your attention.C1Fashionnoun · A style of clothes or behaviour that is popular at a particular time.A2Fashionableadjective · Popular in style at a particular time.B2Fastadjective · Moving or happening quickly.A1Fast Foodnoun · Hot food prepared and served quickly, often from a chain (often uncountable).B1Fastenverb · To close or join something so it stays in place.A2Fastidiousadjective · Very careful about details, or easily disgusted.C2Fatadjective · With a large round body; not thin.A1Fataladjective · Causing death; also causing failure or disaster.B1Fatalisticadjective · Believing that events are decided by fate and cannot be changed.C1Fatalitynoun · A death caused by an accident, war, or disaster.B2Fatenoun · What happens to someone, especially when it seems outside their control.B1Fathernoun · A male parent.A1Fathomverb · To understand something mysterious or complicated after thought.C2Fatiguenoun · Great tiredness; also weakening of metal from repeated stress.B2Fatuousadjective · Silly in a self-satisfied way, showing a lack of intelligence (formal).C2Faultnoun · A mistake, or the responsibility for a mistake or problem.B1Faultyadjective · Not working correctly because of a defect.B1Favournoun · A kind act that helps someone; also support or approval (UK spelling).B1Favourableadjective · Giving an advantage, or showing approval (UK spelling).B1Favouriteadjective · Liked more than the others.A1Favouritismnoun · Unfair preference for one person or group (UK spelling).C1Fearnoun · The feeling that something bad may happen.A2Fearfuladjective · Afraid of something, or causing fear (fearful of).B2Fearlessadjective · Not afraid, even of danger or criticism.C1Feasibilitynoun · How possible and practical a plan is to carry out.C1Feasibleadjective · Possible and likely to work.B2Feastnoun · A large special meal; also a religious festival; as a verb, to eat that meal (feast on).B2Featnoun · An impressive and difficult achievement.B2Feathernoun · One of the soft light parts that cover a bird.A1Featurenoun · An important or typical part of something.B1Febrileadjective · Having a fever; of a mood, nervously excited and agitated (formal).C2Februarynoun · The second month of the year.A1Fecklessadjective · Lacking purpose, effort, or a sense of responsibility.C2Federaladjective · Relating to a central government that shares power with states or regions.B2Federationnoun · A group of states or organisations united under one central body.B2Feenoun · An amount of money that you pay for a professional service or to do something.B1Feebleadjective · Very weak; also unconvincing (a feeble excuse).B2Feedverb · To give food to a person or an animal.A1Feedbacknoun · Comments about how well someone is doing something, given to help them improve.B1Feelverb · To notice a physical or emotional state, or to touch something.A2Feelingnoun · An emotion, or something you notice in your body.A2Feignverb · To pretend to have a feeling or condition that you do not have.C2Felicitousadjective · Well chosen; happily suited to the occasion (especially of wording).C2Fellowadjective · Used of people who share a group or situation (fellow students); as a noun, a member of a learned society.B1Fellowshipnoun · A funded academic post or grant; also friendly association.B2Felonynoun · A serious crime, especially in legal systems that grade offences.C1Felt Tipnoun · A pen with a felt nib that makes a thick coloured line (UK; also a felt-tip pen).B1Femaleadjective · Relating to women or girls, or to animals that can produce young.B1Feminismnoun · The movement and set of ideas arguing for women’s rights and gender equality.C1Feministnoun · A person who supports equal rights for women; also the adjective.B2Fencenoun · A wall of wood or metal around a garden or field.A1Feraladjective · Wild, especially after living among humans and then returning to the wild.C1Fermentnoun · A state of political or social agitation; also the process that produces alcohol or gas in food.C1Ferociousadjective · Extremely violent, intense, or severe.C1Ferocitynoun · The quality of being extremely violent, intense, or severe.C1Ferrynoun · A boat that carries people and cars across water on a regular journey.A1Fertileadjective · Able to produce good crops or many ideas; of soil, rich.B1Fertilisernoun · A substance added to soil to help plants grow (UK spelling).C1Fertilitynoun · The ability to produce babies or good crops.B2Ferventadjective · Showing strong, sincere feeling.C2Festivalnoun · A series of performances or events, often of music, film, or food, or a special public celebration.B1Festoonverb · To decorate with chains of flowers, lights, or fabric hanging in loops (also noun; from decorate, already in the dictionary).C1Fetchverb · To go and get something and bring it back.A2Fetterverb · To restrict someone’s freedom; also a chain for the ankles (noun; from chain, already in the dictionary).C1Fevernoun · A high body temperature, usually because you are ill.A2Fewdeterminer · A small number of.A2Fiasconoun · A complete and humiliating failure.C1Fiatnoun · An official order or decree (related to edict, already in the dictionary).C1Fibrenoun · A thread of material; also the part of food that helps digestion (UK spelling).B1Fickleadjective · Changing often and without good reason, especially in loyalty or taste.C1Fictionnoun · Stories about people and events that are not real.B1Fictionaladjective · Invented for a story; not real.B2Fictitiousadjective · Invented rather than true; not real.C1Fidelitynoun · Faithfulness to a person, duty, or original; also accuracy of a copy or recording.C1Fiduciaryadjective · Relating to the legal duty to act in another’s financial interest; a trustee (also noun; from trust, already in the dictionary).C1Fieldnoun · An area of land for farming or sport, or a subject you study.A2Fieldworknoun · Research done outside the office or laboratory, in real settings.C1Fierceadjective · Very strong, angry, or competitive.B1Fifteennumber · The number 15.A1Fiftynumber · The number 50.A1Fightverb · To hit or argue in an angry way.A1Figurativeadjective · Using words with a meaning different from the literal one; metaphorical.C1Figurenoun · A number, or a person’s body shape.B1Filenoun · A collection of information stored on a computer, or a folder of papers.B1Filialadjective · Of or due from a son or daughter (from family, already in the dictionary).C1Fillverb · To make something full, or to put something into a space.A2Filmnoun · A story shown with moving pictures; a movie.A1Filterverb · To pass something through a device that removes unwanted parts; also to spread slowly.B1Finaladjective · Last in a series; coming at the end.A2Finalenoun · The last part of a performance, event, or piece of music.C1Finaliseverb · To complete the last details of a plan or document (UK spelling).B2Finallyadverb · After a long time, or as the last point in a list.A2Financenoun · The management of money, especially by a company or government.B1Financialadjective · Relating to money or the way it is managed.B1Findverb · To see or get something after looking for it.A1Findingnoun · A result of research or an official inquiry (often plural: findings).B2Fineadjective · Good; well; or the weather is pleasant.A1Fingernoun · One of the five long parts at the end of your hand.A1Finickyadjective · Too concerned with small details; fussy (from fine, already in the dictionary, but not the same).C1Finishverb · To complete something, or to come to the end.A2Finiteadjective · Having a limit or end; not infinite.B2Firenoun · Heat and flames that burn things.A2Fire Alarmnoun · A bell or siren that warns people there is a fire.B1Fire Extinguishernoun · A cylinder of foam, powder, or CO₂ used to put out a small fire.B1Firearmnoun · A gun that can be carried and fired.B2Firefighternoun · A person whose job is to stop fires.A1Fireplacenoun · A place in a wall where you can have a fire in a room.A1Fireworknoun · A small object that explodes with coloured light in the sky.A1Firmnoun · A company, especially in professional services; also an adjective meaning solid or definite.B2Firmlyadverb · In a strong, steady, or definite way.B1Firstadjective · Coming before all the others.A1First Aidnoun · Simple medical help given before a doctor or ambulance arrives (often uncountable).B1Fiscaladjective · Connected with government tax and spending.B1Fishnoun · An animal that lives in water and that people often eat.A1Fish And Chipsnoun · Fried fish served with chips, a traditional UK takeaway meal.B1Fishfingernoun · A small finger-shaped piece of fish in breadcrumbs (UK; also fish finger; US fish stick).B1Fishingnoun · The sport or job of catching fish (often uncountable).B1Fishmongernoun · A person or shop that sells fish, especially on a UK high street.B1Fissurenoun · A long narrow crack; also a deep split in a group or argument.C1Fitverb · To be the right size, or to be healthy and strong.B1Fitfuladjective · Happening in irregular bursts; stopping and starting (from fit, already in the dictionary, but not the same).C1Fitnessnoun · How healthy and strong your body is.A2Fitting Roomnoun · A small room in a shop where you try on clothes.B1Fivenumber · The number 5.A1Fivernoun · A five-pound note, or five pounds (UK informal).B1Fixverb · To repair something, or to arrange it.A2Fixturenoun · A scheduled match or regular event; also an object fixed in a building.C1Fizzyadjective · Containing bubbles of gas (a fizzy drink).B1Fizzy Drinknoun · A drink with bubbles of gas, such as cola or lemonade (UK; US soda).B1Flagnoun · A piece of cloth with a special design that represents a country or organisation.B1Flagrantadjective · Shockingly obvious, of something wrong (a flagrant breach).C2Flagshipnoun · The most important product, course, or site used to represent an organisation.C1Flairnoun · A natural talent, or a stylish, distinctive quality.C1Flamboyantadjective · Very noticeable, colourful, or confident in style.C1Flamenoun · The hot bright gas that burns from a fire; also in flames (burning).B1Flamingonoun · A tall pink bird with long thin legs and a curved beak.A1Flannelnoun · A small cloth for washing your face (UK; US washcloth); also a soft fabric.B1Flashnoun · A sudden bright light; also a very short moment (in a flash).B2Flashlightnoun · A small electric light that you hold in your hand (mainly American; British: torch).A1Flasknoun · A bottle that keeps a drink hot or cold (British).A1Flatnoun · A set of rooms for living in, usually on one floor (British). American English often says apartment.A1Flauntverb · To show something you are proud of in order to be admired.C2Flavournoun · The taste of a food or drink.A2Flawnoun · A fault or weakness that spoils something.C1Flawedadjective · Having faults that weaken the whole.C1Fledglingadjective · New and not yet established (of an organisation or activity).C1Fleeverb · To leave a place quickly in order to escape danger (past fled).B1Fleecenoun · A warm soft jacket, often made of polyester (British).A1Fleetnoun · A group of ships, or of vehicles owned by one organisation; also (adjective) fast.C1Flexibilitynoun · The ability to change easily to suit a new situation (uncountable).B1Flexibleadjective · Able to change easily, or able to bend.B1Flickerverb · To shine unsteadily; of a feeling, to appear briefly.C1Flightnoun · A journey in a plane.A1Flinchverb · To make a sudden movement back from pain, fear, or an unwelcome fact.C1Flip-Flopsnoun · Light open shoes with a strap between the toes, for the beach or hot weather.A1Flippantadjective · Not showing serious respect for something that deserves it.C1Floatverb · To rest on a liquid; also to offer company shares for sale.B2Flocknoun · A group of birds or sheep; also a crowd of people (verb: to flock).C1Floodnoun · A large amount of water covering land that is usually dry.B1Floornoun · The surface you walk on in a room, or a level of a building.A1Floranoun · The plants of a particular place or period (often contrasted with fauna).C1Floridadjective · Having too much decoration or elaborate language; also a red complexion.C2Floristnoun · A person or shop that sells flowers.A2Flournoun · A white or brown powder made from grain, used to make bread and cakes.A1Flourishverb · To grow or succeed; also to wave something in the air.B1Floutverb · To ignore a rule or convention openly and scornfully.C2Flownoun · A steady movement of liquid, traffic, money, or ideas.B2Flowernoun · The colourful part of a plant.A1Flunoun · A common illness with fever, aches, and a cold-like feeling.A2Fluctuateverb · To rise and fall irregularly.C1Fluctuationnoun · An irregular rise and fall in amount or level (from fluctuate, already in the dictionary).C1Fluencynoun · The ability to speak or write a language easily and accurately (from fluent, already in the dictionary).C1Fluentadjective · Able to speak or write a language easily and accurately.B1Fluidnoun · A liquid; as an adjective, not fixed and able to change.B1Flutenoun · A musical instrument you blow across, long and thin.A1Fluxnoun · Continuous change; also a flow, especially of liquid or energy.C1Flyverb · To move through the air, like a bird or a plane.A1Flyovernoun · A bridge that carries a road over another road (UK; US overpass).B1Focusverb · To give all your attention to one thing.A2Foenoun · An enemy or opponent (formal or literary).C1Fognoun · Thick cloud near the ground that makes it hard to see.A2Foggyadjective · Full of fog; difficult to see through.A2Foiblenoun · A minor weakness of character, often slightly comic.C2Foilverb · To prevent a plan or crime from succeeding.C1Foistverb · To force someone to accept something unwanted (foist on).C2Foldverb · To bend something so that one part covers another; also of a business, to close.B2Foldernoun · A cover for papers, or a place for files on a computer.A2Foliagenoun · The leaves of plants, considered together.C1Folknoun · People in general; also traditional music and culture (folk music).B1Folklorenoun · Traditional stories and beliefs of a community; also unofficial “what everyone knows”.C1Followverb · To go after someone, or to do what instructions say.A2Followingpreposition · After; as an adjective, next or listed below.B1Fomentverb · To stir up trouble, unrest, or ill feeling (formal).C2Fondadjective · Liking someone or something a lot.A2Foodnoun · Things that people and animals eat.A1Food Processornoun · An electric machine that chops, slices, or mixes food.B1Foolhardyadjective · Taking unnecessary risks; recklessly bold (from reckless, already in the dictionary).C1Footnoun · The part of the body at the end of the leg.A1Footagenoun · Film or video of an event, especially in the news.B1Footballnoun · A game in which two teams kick a ball, or the ball itself.A1Footballernoun · A person who plays football (UK; US soccer player).B1Footingnoun · A secure basis for a relationship, argument, or standing; also how you stand.C1Footnotenoun · A note at the bottom of a page; also a minor extra detail.C1Footpathnoun · A path for people walking, not for cars.A2Forpreposition · Used to show purpose, a receiver, or a length of time.A1Forbearancenoun · Patient self-control when you could punish or insist (formal).C2Forbidverb · To order that something must not be done (past forbade, participle forbidden).B1Forbiddingadjective · Unfriendly or threatening in appearance; looking likely to stop you.C1Forceverb · To make someone do something they do not want to do.B1Forecastnoun · A statement about what is likely to happen, especially the weather.B2Forefrontnoun · The leading or most noticeable position.C1Foreheadnoun · The part of the face above the eyes.A2Foreignadjective · From another country.A2Foreignernoun · A person from another country.A2Foremostadjective · Most important or most respected; first.B2Forensicadjective · Using scientific methods to investigate; also rigorously detailed (a forensic reading).C1Foreseeverb · To know or guess that something will happen (past foresaw).B1Foreseeableadjective · Able to be predicted; likely to happen (in the foreseeable future).C1Foresightnoun · The ability to see what is likely to happen and plan for it.C1Forestnoun · A large area of land with many trees.A2Forestallverb · To prevent something by acting first.C2Forestrynoun · The science and work of looking after forests.C1Foreveradverb · For all time; also (informal) for a very long time.B2Forfeitverb · To lose a right, possession, or advantage as a penalty.C1Forgeverb · To build something strong with effort; also to fake a document or signature.C1Forgerynoun · The crime of making a false document or work of art; also the false object itself.C1Forgetverb · To fail to remember.A2Forgiveverb · To stop being angry with someone who has done something wrong.A2Forknoun · A tool with points, used for picking up food.A1Forlornadjective · Appearing lonely, abandoned, and unhappy; also unlikely to succeed (a forlorn hope).C2Formnoun · A printed paper with spaces to write answers, or a class group in a school.A2Formaladjective · Official, serious, or suitable for important occasions.B1Formalitynoun · An official procedure; also something done only because the rules require it.C1Formallyadverb · In an official or ceremonious way; according to rules.C1Formatnoun · The way something is arranged or presented; as a verb, to arrange it that way.B1Formationnoun · The process of being formed; also a particular arrangement or shape.B2Formativeadjective · Having a strong influence on development; of assessment, for learning not a final grade.C1Formeradjective · Used to describe someone or something in the past, but not now.B1Formerlyadverb · In the past; before now.B1Formidableadjective · Inspiring fear or respect through being large, powerful, or skilful.B2Formulanoun · A set of letters or numbers that shows a rule; also a fixed method (plural formulae or formulas).B1Formulateverb · To create or express something carefully, such as a plan or idea.C1Forthcomingadjective · Going to happen soon; also willing to give information.B1Fortifyverb · To strengthen a place, system, or person against attack or failure.C1Fortitudenoun · Calm courage when facing pain or difficulty (formal).C2Fortnightnoun · A period of two weeks (British English).A2Fortuitousadjective · Happening by chance, often with a lucky result.C2Fortunateadjective · Lucky, especially because something bad did not happen.B1Fortunatelyadverb · Happily; because of good luck.A2Fortunenoun · A large amount of money; also chance or luck (good / bad fortune).B1Fortynumber · The number 40.A1Forumnoun · A meeting or online space where people discuss a public issue.B1Forwardadverb · Towards a place in front of you.A2Fossilnoun · The remains of a plant or animal in rock; also fossil fuels (coal, oil, gas).B1Fosterverb · To encourage something to develop; also to look after a child as a foster carer.B1Foundverb · Past tense of find: discovered something after looking.A2Foundationnoun · The base on which something is built, or an organisation that gives money for a purpose.B2Founderverb · To fail completely, or (of a ship) to fill with water and sink.C2Fountainnoun · A structure that sends water up into the air, often in a park.A1Fournumber · The number 4.A1Fourteennumber · The number 14.A1Fourthnumber · 4th; the one after third.A1Foxnoun · A wild animal like a small dog, often red-brown, with a thick tail.A1Fracasnoun · A noisy quarrel or brawl (same form in the plural).C1Fractionnoun · A part of a whole, especially in maths; also a small amount.B1Fractiousadjective · Easily annoyed and hard to control; quarrelsome.C2Fracturenoun · A break in a bone or hard object; also a split in a group.B2Fragileadjective · Easy to break or damage; also weak and needing care.B1Fragmentnoun · A small broken piece; as a verb, to break into pieces.B1Frailtynoun · Weakness of body or character (from fragile, already in the dictionary).C1Framenoun · The border around a picture or a window.A1Frameworknoun · A structure of ideas or rules that supports something.B2Franchisenoun · The right to sell a company’s goods; also the right to vote.B2Frankadjective · Honest and direct in what you say, even if it is uncomfortable.B2Franklyadverb · In an honest, direct way, even if it is uncomfortable.B1Fraterniseverb · To be friendly with people you are not supposed to mix with (UK spelling; from friend, already in the dictionary).C1Fraudnoun · The crime of deceiving people to get money or an advantage (uncountable in many legal uses).B1Fraudulentadjective · Intended to deceive, usually for money, status, or an unfair advantage.C1Fraughtadjective · Filled with something unpleasant (fraught with); also very tense and anxious.C2Fraynoun · A fight, noisy argument, or competing situation; also (verb) to wear at the edges.C1Freeadjective · Costing no money, or not busy.A1Freedomnoun · The right to do or say what you want without being limited.B1Freelanceadjective · Working for different organisations rather than as a permanent employee.B1Freelyadverb · Without restriction; also willingly and openly.B2Freezeverb · To become ice; also to hold pay, prices, or assets at a fixed level.B2Freezernoun · A machine that keeps food frozen hard.A2Freightnoun · Goods carried by train, lorry, ship, or plane (uncountable).B1Freneticadjective · Fast, energetic, and somewhat uncontrolled.C1Frequencynoun · How often something happens; also a radio or electrical measurement.B1Frequentadjective · Happening often.B1Frequentlyadverb · Often; many times.B1Fresconoun · A painting done on wet plaster on a wall or ceiling.C1Freshadjective · New, clean, or recently made or picked; not old or from a packet.A1Frictionnoun · Resistance when surfaces rub; also disagreement between people or groups.B2Fridaynoun · The day after Thursday and before Saturday.A1Fridgenoun · A cold cupboard for keeping food fresh.A1Fridge Freezernoun · A combined fridge and freezer in one unit.B1Friendnoun · A person you like and enjoy being with.A1Friendlyadjective · Kind and pleasant towards other people.A1Friendshipnoun · The relationship between friends.A2Frightenverb · To make someone feel afraid.A2Frightenedadjective · Feeling afraid.A2Frighteningadjective · Making you feel afraid.A2Fringenoun · The outer edge; also hair over the forehead; also unofficial or extreme (the fringe).B2Frivolousadjective · Not serious or sensible; of a claim, not worth serious attention.C1Frognoun · A small green animal that lives near water and can jump.A1Frompreposition · Used to show where something starts or where a person lives.A1Frontnoun · The part of something that faces forward.A2Frontiernoun · A border between countries; also the limit of knowledge or development.B2Frostnoun · A thin white ice that covers things when it is very cold.A1Frownverb · To pull the eyebrows together to show worry, anger, or concentration; as a noun, that look.B2Frozenadjective · Turned into ice, or kept very cold; also too cold to move easily.A2Frugaladjective · Using money or resources carefully and without waste.C1Fruitnoun · The sweet part of a plant that you can eat, such as an apple.A1Fruitfuladjective · Producing good results; successful and productive.C1Frustrateverb · To make someone feel annoyed and helpless; also to prevent a plan.B2Frustratingadjective · Making you feel annoyed because you cannot do or change something.B1Frustrationnoun · The feeling of being stuck or annoyed because you cannot achieve something.B1Fryverb · To cook food in hot oil.A1Frying Pannoun · A wide shallow pan with a long handle, used for frying food.A1Fuelnoun · A substance such as coal, oil, or gas that is burned to produce heat or power.B1Fulfilverb · To do what you promised or what is required (UK spelling).B1Fulfilmentnoun · The achievement of something promised or required; also a sense of satisfaction (British spelling).C1Fulladjective · Holding as much as possible.A1Full Stopnoun · The dot at the end of a sentence (UK; US period).B1Full-Timeadjective · For the whole of the usual working or studying week, not part-time.B1Fullyadverb · Completely; to the highest degree.B1Fulminateverb · To protest angrily and loudly (formal; fulminate against).C2Fulsomeadjective · Excessively flattering, so that it seems insincere (not a synonym of full).C2Fumesnoun · Strong-smelling gas or smoke that can be harmful (usually plural).B2Funnoun · Enjoyment; a good time.A1Functionnoun · The purpose that something is designed for, or a formal event.B2Functionaladjective · Working as it should; also designed to be practical rather than attractive.B1Fundnoun · An amount of money saved or collected for a particular purpose.B1Fundamentnoun · The basis or foundation of something (formal); also, in anatomy, the buttocks.C1Fundamentaladjective · Forming the base of something; very important and basic.B2Fundingnoun · Money provided for a purpose, especially by a government or charity (uncountable).B1Fundraisingnoun · The activity of collecting money for a cause or organisation.C1Funeralnoun · A ceremony for someone who has died.B1Fungusnoun · A living thing such as a mushroom, mould, or yeast (plural often fungi).C1Funnyadjective · Making you laugh; also, a little strange.A1Furnoun · The thick hair that covers some animals, such as cats.A1Furiousadjective · Extremely angry.B1Furloughnoun · A period of leave from duty, especially unpaid leave from work (also verb; from leave, already in the dictionary).C1Furnishverb · To put furniture in a room; also to supply information or evidence (formal).B2Furniturenoun · Things in a house such as tables, chairs, and beds.A1Furtheradjective · More; extra; additional.A2Furthermoreadverb · In addition; used to add a stronger point.B2Furtiveadjective · Secret and sly, as if not wanting to be noticed.C2Fuseverb · To join two things so they become one; also (noun) a safety device that breaks an electrical circuit.C1Fusionnoun · The joining of two things; in physics, nuclei combining and releasing energy.B2Fussnoun · Unnecessary excitement, worry, or complaint about something small.B1Futileadjective · Having no chance of success; pointless.B2Futilitynoun · The quality of having no useful result; pointlessness.C1Futurenoun · The time that will come after now.A2