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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

SpaceX’s Starship is designed to be the most powerful rocket ever built, consisting of a booster that propels a large spacecraft into space.

From The Wall Street Journal • Apr. 4, 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

My pediatrician did the same thing with his fingers when he was sitting behind his desk getting ready to tell my mother something about my allergies or what booster shots I needed.

From "It All Comes Down to This" by Karen English




Vocabulary lists containing booster