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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.

Each phase of the ascent was, in the understated language of mission control, "nominal": maximum dynamic pressure, main engine cut-off and booster separation.

From BBC • Apr. 7, 2026

"But when you look at a player who can create a moment of magic from nothing it's definitely a confidence booster."

From BBC • Mar. 25, 2026

A billionaire booster helps with the public pitch.

From The Wall Street Journal • Mar. 23, 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

And since I haven’t reached the recommended minimum age on the air-bag warning sticker, and since I barely weigh eighty pounds, I’m lucky he doesn’t force me into a booster seat.

From "Amina's Voice" by Hena Khan




Vocabulary lists containing booster