booster

noun

ˈbü-stər How to pronounce booster (audio)
Definition of boosternext
as in proponent
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 & Similar Words

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Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of booster In his long career, Bill Gates has been largely a booster of technology—including AI. — Hanna Rosin, The Atlantic, 27 Aug. 2026 The dog was vaccinated for rabies and received a booster shot. — Frederick Sutton Sinclair, CBS News, 27 Aug. 2026 Thanks to hundreds of millions of dollars invested into their respective football teams by eager boosters, both SMU and Texas Tech have jumped ahead of everyone else in this state for the best view of UT and A&M’s backsides. — Fort Worth Star-Telegram, 26 Aug. 2026 In addition, the original estimate that the Falcon 9 reusable boosters were only good for 10 flights has been shattered by the latest mission using a booster that had flown 37 times. — David Szondy august 25, New Atlas, 26 Aug. 2026 See All Example Sentences for booster
Recent Examples of Synonyms for booster
  1. proponent
  2. supporter
  3. advocate
  4. advocator
  5. exponent
  6. promoter
Noun
  • The mere existence of such a network, proponents say, would give would-be criminals pause, knowing there’s nowhere to run without being watched.
    — Jack Dolan, Los Angeles Times, 26 Aug. 2026
  • The memo is a bit surprising considering Gates still advises Microsoft, one of the major proponents of the technology, and an investor in OpenAI.
    — Michael Kan, PC Magazine, 26 Aug. 2026
Definition of proponent
Noun
  • His supporters say the condemnation is merely a sign of Crump’s skill.
    — Ryan Young, CNN Money, 30 Aug. 2026
  • Among those younger supporters is Matt Kelly, president of the UMass Lowell College Democrats.
    — ABC News, ABC News, 30 Aug. 2026
Definition of supporter
Noun
  • So are 44 of 50 state attorneys general, dozens of Indian tribes, consumer advocates, addiction experts, and an increasingly bipartisan contingent on Capitol Hill.
    — Marshall Cohen, CNN Money, 30 Aug. 2026
  • Satish Thiagarjan, founder and CEO of Brysa, advocates using a scoring system rather than relying on instinct.
    — Alison Coleman, Forbes.com, 30 Aug. 2026
Definition of advocate
Noun
  • In the leadership and care phase, your role is that of an advocator.
    — Rodney C. Adkins, Forbes.com, 19 May 2026
Definition of advocator
Noun
  • His mind didn’t go blank; rather, all the what-ifs multiplied like exponents, crowding his thoughts and rendering him unable to envision anything else.
    — Min Jin Lee, New Yorker, 19 July 2026
  • Often categorized along with Bellow and Bernard Malamud as exponents of a particularly Jewish-American sensibility, all three were additionally masters of the American voice.
    — Literary Hub, Literary Hub, 4 June 2026
Definition of exponent
Noun
  • The camera spins on its own ketamine high as Peter (Firstman), party promoter extraordinaire and generous drug dealer, kicks off another evening.
    — Joshua Rothkopf, Los Angeles Times, 31 Aug. 2026
  • Famed Phoenix concert promoter is selling 50 years of music history Foodies are crashing out over Michelin snub.
    — Meredith G. White, AZCentral.com, 28 Aug. 2026
Definition of promoter

Browse Nearby Words

boosted
booster
boosters
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Cite this Entry

“Booster.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/booster. Accessed 1 Sep. 2026.

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