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Definitions

booster

[boo-ster] / ˈbu stər /
NOUN
supporter
Synonyms
Antonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Jefferies analyst Andrew Tsai suspects the strong performance was partly due to Covid-19 booster sales in the UK.

From Barron's • May 1, 2026

The company had previously landed and reused the booster for the smaller New Shepard vehicle primarily used for short space tourism trips.

From MarketWatch • Apr. 20, 2026

On Sunday, the space company owned by Jeff Bezos successfully reused and recovered a booster for its New Glenn rocket, but the uncrewed mission did not deliver the satellite from the company AST SpaceMobile.

From Barron's • Apr. 20, 2026

It began in the 1930s as a booster for the local farms that were once a mainstay of the area and are now mostly gone.

From The Wall Street Journal • Apr. 17, 2026

Globs of cream cheese have smeared on his booster seat, his pants, and his chin.

From "The Sea in Winter" by Christine Day




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