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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.

Those include a redesigned propellant system on its booster and improved Raptor engines.

From The Wall Street Journal • Apr. 4, 2026

College alumni established booster clubs to recruit athletes under the guise of “name, image and likeness,” or NIL, endorsement deals.

From The Wall Street Journal • Mar. 29, 2026

The charity has a No Plan B for MenB campaign, aiming to introduce an adolescent booster by 2030 and make the vaccine more affordable on the high street.

From BBC • Mar. 26, 2026

Using a standard booster approach in mice, both vaccine types produced similar antiviral T cell and antibody-producing B cell responses.

From Science Daily • Mar. 17, 2026

The fuel requirement is nearly identical for the orbits and is well within the capacity of EagleEye's booster.

From "The Martian" by Andy Weir




Vocabulary lists containing booster