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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.

She said walking Captain Crumpet was a "real mood booster, I can't help but smile seeing his happy tail as he trots along".

From BBC • Apr. 5, 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

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

She said it would be a "real confidence booster" to receive financial support.

From BBC • Mar. 16, 2026

Her look was one of painful denial, reminding me of a time long ago when she took my brothers and me down to a clinic to get our polio booster shots.

From "The Joy Luck Club" by Amy Tan