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 The larger Long March 10, with three boosters connected together, will launch China’s Lanyue lunar lander on an uncrewed test flight to the Moon in 2028. — Stephen Clark, ArsTechnica, 6 Nov. 2026 Each collection includes 29 booster packs, exclusive promo cards, a special Classic Collection pack and themed collector accessories. — Hannah McIlree, CBS News, 6 Nov. 2026 In the 1980s, players would spend the night at a hotel on Sports Arena Boulevard owned by an Aztecs booster, then walk across the street for the game. — Mark Zeigler, San Diego Union-Tribune, 6 Nov. 2026 The program was collapsing, the fan base was toxic and keeping Norvell would have likely ended up costing them more money in season ticket sales and booster donations than firing him and paying him off. — Mike Bianchi, The Orlando Sentinel, 5 Nov. 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
  • For this reason, proponents tout fuel cells as an effective way to cut emissions while still providing essential power to homes, businesses, factories and, increasingly, data centers.
    — John Moritz, Hartford Courant, 10 Nov. 2026
  • Aronofsky, who has been a big proponent of using generative AI in filmmaking after launching his creative studio Primordial Soup last year, was honored with Camerimage’s honorary Award for Director.
    — Diana Lodderhose, Deadline, 7 Nov. 2026
Definition of proponent
Noun
  • As visible support for the movement grows, so does the likelihood that members of government, as well as high-profile supporters outside the administration, will decide to not oppose the movement—or even decide to actively support it.
    — Encyclopedia Britannica, Encyclopedia Britannica, 6 Nov. 2026
  • Scores were detained and beaten by police and pro-government supporters during protests.
    — ABC News, ABC News, 6 Nov. 2026
Definition of supporter
Noun
  • Community leaders and advocates called for an end to gun violence, bullying and for Frimpong's killers to come forward.
    — CBS News, CBS News, 8 Nov. 2026
  • Cannabis advocates generally support things like age restrictions and measures to keep the products away from children, but have pushed back against rules in Texas that effectively ban a wide variety of products for adult use.
    — Fort Worth Star-Telegram, Fort Worth Star-Telegram, 7 Nov. 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
  • One of the most distinguished exponents of Beowulf as live performance today is the American singer Benjamin Bagby, who’s made the lyre an indispensable part of his act.
    — Literary Hub, Literary Hub, 27 Oct. 2026
  • Arrieta brings up names like Oliver Laxe, Los Javis and Alauda Ruiz De Azúa as exponents of this new wave.
    — Rafa Sales Ross, Variety, 27 Oct. 2026
Definition of exponent
Noun
  • Sheeran argued that the decision to remove Macklemore as an opener, backed by the venues and promoters, came down to not wanting to disappoint fans or impact the other people working on the tour by cancelling.
    — Larisha Paul, Rolling Stone, 6 Nov. 2026
  • Bryson DeChambeau, perhaps the most ardent promoter of LIV among current major championship contenders, faces an uncertain future after the dissolution of the league.
    — Dade Hayes, Deadline, 5 Nov. 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 11 Nov. 2026.

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