Thesaurus.com
Dictionary.com
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.

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

A billionaire booster helps with the public pitch.

From The Wall Street Journal • Mar. 23, 2026

Generally, it takes a couple of weeks to get the fullest protection from a vaccine and some require booster doses.

From BBC • Mar. 17, 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

Over in the production group at ATK, a whole different division, they sometimes had trouble with a machine that inspected the booster rockets’ O-ring grooves to make sure there was no corrosion.

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel




Vocabulary lists containing booster