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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.

Authorities are urging affected communities to update their vaccinations, especially teenagers and adults who need to get booster shots.

From BBC • May 26, 2026

The booster fell swiftly back to Earth, uncontrolled, into the Gulf of Mexico.

From Barron's • May 22, 2026

A few minutes after the launch, the Starship spacecraft separated from the vehicle’s booster.

From The Wall Street Journal • May 22, 2026

It’s the 12th Starship test, and will debut version three of the Starship, which stands some 408 feet tall, with the booster and upper stage stacked on top of one another.

From Barron's • May 22, 2026

But some I did not know; for example, I knew practically nothing about the Atlas booster, the one that was used to put a Mercury spacecraft into orbit.

From "Flying to the Moon: An Astronaut's Story" by Michael Collins




Vocabulary lists containing booster


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