Words / B1

noun · B1

Expert

EKSP-urt/ˈekspɜːt/

An expert is someone with a high level of knowledge or skill: an expert in / on history; a legal expert. A specialist is close, often in medicine; a professional is paid to do the job. Expert can also be an adjective: expert advice. Expertise is the uncountable noun for the skill. Do not write “expert of” — use in or on.

Meaning

A person with a high level of knowledge or skill in a particular subject.

Examples

  • “She is an expert in modern history.”
  • “We need an expert to check the wiring.”
  • “She is widely regarded as an expert on climate policy.”

Good to know

an expert in / on. Adjective: expert advice. Skill noun: expertise. Medicine: specialist. Paid role: professional.

Near in meaning

specialist

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