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 Ever the showman, Musk also seemed to presage the merger last week with the unveiling of Tesla’s new superfast Roadster, which has yet to be released but was specially outfitted with SpaceX booster rockets to perform flips in midair on a livestream. — Los Angeles Times, 22 Oct. 2026 The company had on three previous missions made successful captures of the Super Heavy booster, captured by the swiveling arms of the launch tower at its Texas site Starbase. — Richard Tribou, The Orlando Sentinel, 22 Oct. 2026 Then there is another element at play that a lot of these BigSEC10 schools, the coaches, their fans and big-money boosters are navigating, and coming to terms with — in the age of the super conference, your team is going to lose. — Fort Worth Star-Telegram, 22 Oct. 2026 That was fine in the past, when frustrated boosters would often pony up the cash needed to make a mid-contract move. — Eben Novy-Williams, Sportico.com, 19 Oct. 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
  • One of the leading proponents of an energy-centric view of disease is Martin Picard, a biologist who directs the Mitochondrial Psychobiology Group at Columbia University.
    — Rowan Jacobsen, Scientific American, 20 Oct. 2026
  • The No campaign accused measure proponents of misusing the state office.
    — Andrew Graham, Sacbee.com, 20 Oct. 2026
Definition of proponent
Noun
  • Continue reading … DIRTY POLITICS — Antifa supporter charged with stealing GOP campaign signs in NY race to replace Stefanik.
    — , FOXNews.com, 23 Oct. 2026
  • Ahead of Frost’s Monday sentencing after his guilty plea to wire fraud, a flood of family members and supporters submitted about 80 letters to the court in a bid for leniency.
    — Kelly Yamanouchi, AJC.com, 23 Oct. 2026
Definition of supporter
Noun
  • Imara Jones, an advocate who runs a website that features the stories of transgender people, said the issue is attractive for conservatives because some Democrats agree with them.
    — ABC News, ABC News, 24 Oct. 2026
  • Medicaid reimbursement rate cuts anger foster care advocates and lawmakers.
    — Adam Beam, AJC.com, 23 Oct. 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
  • Astaire is the world's foremost exponent of that particular variety of heart throb!
    — David Hajdu, Vanity Fair, 20 Oct. 2026
  • Grupo Duelo, one of the most prominent exponents of norteño tejano music, will be part of the Billboard Latin Music Week 2026, representing traditional regional Mexican music.
    — Tere Aguilera, Billboard, 9 Oct. 2026
Definition of exponent
Noun
  • The list is based on data provided to the trade publication Pollstar by concert promoters and venue managers.
    — ABC News, ABC News, 23 Oct. 2026
  • Why concert tickets keep getting more expensive Artists, promoters, venues, and ticketing platforms all take a cut of each ticket.
    — James LaForge, Fortune, 22 Oct. 2026
Definition of promoter

Browse Nearby Words

boosted
booster
boosters
See all Nearby Words

Cite this Entry

“Booster.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/booster. Accessed 27 Oct. 2026.

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