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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.

Starship stands some 408 feet tall, with the booster and upper stage stacked on top of one another.

From Barron's • Apr. 26, 2026

It was Blue Origin’s third launch of the New Glenn rocket and its first attempt to reuse its booster.

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

During the flight, New Glenn’s third ever, the vehicle’s huge booster returned safely to Earth, a feat only Blue Origin and Elon Musk’s SpaceX have achieved with orbital rockets.

From The Wall Street Journal • Apr. 19, 2026

He claps his hands and bounces in his booster seat.

From "The Sea in Winter" by Christine Day




Vocabulary lists containing booster