Words / B1

noun · B1

Booster

BOOST-uh/ˈbuːstə/

A booster is an extra vaccine dose, or something that increases power or confidence: a booster seat; a morale booster. Dose is the medical twin; boost is the verb (already in the dictionary). NHS: book a booster at the civic centre, not A&E.

Meaning

An extra dose of a vaccine; also something that increases power or confidence.

Examples

  • “Book a booster at the civic centre, not at A&E.”
  • “A morale booster is informal; a booster dose is the clinical collocation.”

Good to know

a booster (vaccine / confidence). Verb: boost. Child car: a booster seat. NHS booking. Countable doses.

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