# booster

**Pronunciation:** /ˈbuːstər/ · BOO-ster

**CEFR level:** B2

**Part of speech:** noun

## Meaning

A thing that helps to improve or increase something, often by providing additional power, support, or encouragement.

## Examples

- The government introduced new policies as an economic booster to stimulate growth.
- After a long illness, the vitamin supplement acted as a much-needed booster for her immune system.
- The coach's encouraging words were a real morale booster for the team before the final match.

## Synonyms

- enhancer — Something that improves quality or value.
- stimulant — Something that causes activity or development, often chemical or physiological.
- catalyst — A person or thing that precipitates an event or change.
- impetus — The force or energy with which a body moves or the force that makes something happen.

## Antonyms

- inhibitor — Something that slows down or prevents a process.
- detractor — A person or thing that reduces the worth or value of something.

## Common patterns

- a booster for — Something that provides support or improvement to something else. — This new policy is intended as a booster for the local economy.
- booster shot — An additional dose of a vaccine. — Have you had your annual flu booster shot yet?

## Collocations

- booster shot — It's important to get your booster shot on schedule.
- morale booster — Winning the game was a huge morale booster for the team.
- signal booster — My phone needs a signal booster in this area.

Canonical URL: https://anaversity.com/dictionary/english/boosters

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