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 And while reusing first-stage rocket boosters (like the Super Heavy) is firmly within SpaceX’s wheelshouse, the company has never reused the upper stage of a rocket. — Jackie Wattles, CNN Money, 16 July 2026 Campbell, a former Texas Tech offensive lineman and co-founder of Double Eagle Energy Holdings, has become one of the most prominent college sports boosters in recent years through his support of Tech athletics. — Justin Williams, New York Times, 16 July 2026 Also of concern has been its sonic boom potential during both booster landings and upper stage Starship return-to-launch-site flights that would bring it across Central Florida similar to how the space shuttle used to land back at KSC. — Richard Tribou, The Orlando Sentinel, 16 July 2026 Fully stacked with its booster, the vehicle is 124 meters (about 408 feet) tall and has enough thrust to launch 100 metric tons of cargo into space. — Claire Cameron, Scientific American, 16 July 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
  • While proponents highlight their potential for companionship, addressing issues like loneliness, this technology sparks profound ethical debates.
    — Bernard Marr, Forbes.com, 23 July 2026
  • Politicians and other proponents of the lab-leak theory have issued fresh calls to punish Fauci, 85, and scientists his institute funded.
    — CNN Money, CNN Money, 22 July 2026
Definition of proponent
Noun
  • Club legends Ian Rush, Robbie Fowler, Phil Thompson and Tash Dowie will be on the trip to attend various meet-and-greet events with sponsors and supporters.
    — James Pearce, New York Times, 20 July 2026
  • Party leaders, Wangchuk’s wife and supporters accuse authorities of ‘abducting’ him to stifle a growing protest movement, as police flood main protest with barricades and paramilitary forces.
    — Aijaz Hussain, Los Angeles Times, 19 July 2026
Definition of supporter
Noun
  • The move quickly set off a firestorm, with immigration rights advocates accusing DOJ of trying to malign a dead man.
    — Josh Campbell, CNN Money, 19 July 2026
  • Nik Hunder is a policy analyst, researcher and safe transportation advocate based in Chicago.
    — Nik Hunder, Chicago Tribune, 19 July 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
  • No experienced concert promoter books talent by follower count.
    — Ramin Seyed, Forbes.com, 20 July 2026
  • Plaintiffs alleged that the event promoters were negligent in failing to secure required permits, not providing adequate security or crowd control and misrepresenting the event as safe for families, according to the statement.
    — Lillie Davidson, Fort Worth Star-Telegram, 16 July 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 24 Jul. 2026.

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Nglish: Translation of booster for Spanish Speakers

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