Thesaurus

booster

noun

Synonyms & Antonyms of booster

a person who actively supports or favors a cause
  • rah-rah boosters for the sports team will be attending the game and carrying large signs

Synonyms for booster

Words Related to booster

Near Antonyms for booster

Antonyms for booster

See the Dictionary Definition 

Keep scrolling for more

Learn More About booster

Time Traveler for booster

Time Traveler

The first known use of booster was in 1888

See more words from the same year

Thesaurus Entries Near booster

boosted

booster

boosters

See More Nearby Entries 

Cite this Entry

“Booster.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/booster. Accessed 25 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on booster

Nglish: Translation of booster for Spanish Speakers

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!