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Showing results for booster.
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.

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

The rocket’s upper stage made it to orbit, achieving the flight’s main goal, though the booster wasn’t recaptured for reuse.

From The Wall Street Journal • Apr. 15, 2026

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

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

It wasn’t exactly a morale booster, but before I could say anything, Kronos raised his sword.

From "The Last Olympian" by Rick Riordan




Vocabulary lists containing booster