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 first-stage booster was never meant to return to the Starbase launch site either, dropping instead into the Gulf of Mexico within minutes of the morning liftoff. — Arkansas Online, 29 Sep. 2026 Is there evidence that booster devices improve product penetration? — Christa Joanna Lee, Allure, 29 Sep. 2026 Catching the Ship upper stage Both of Starship's stages — the Super Heavy booster and Ship upper-stage spacecraft — are designed to be fully and rapidly reusable. — Mike Wall, Space.com, 29 Sep. 2026 The Starliner has relied on United Launch Alliance's Atlas 5 rockets for the ride to space, but only a half dozen of the venerable boosters remain in ULA's inventory. — William Harwood, CBS News, 28 Sep. 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
  • On the other side of the campaign, John Adams was labeled by Jefferson's proponents as a monarchist with aspirations to become king of the new United States.
    — Cal Thomas, Arkansas Online, 6 Oct. 2026
  • Curiously, few of these proponents ever mention the New York Mets and their spending.
    — Ian Miller OutKick, FOXNews.com, 6 Oct. 2026
Definition of proponent
Noun
  • Other supporters argue that adding the ban to the Missouri Constitution would strengthen it.
    — Kacen Bayless, Kansas City Star, 2 Oct. 2026
  • Two vocal supporters of Democratic gubernatorial hopeful Xavier Becerra filed a formal campaign finance complaint against his rival, Steve Hilton, on Tuesday over the Republican campaign’s use of paid online promoters.
    — Ben Paviour, Sacbee.com, 2 Oct. 2026
Definition of supporter
Noun
  • As the second Cunningham rally raged outside the Moda Center, once again pitting women's sports advocates against pro-trans counter-protesters, WNBA coaches faced consequential questioning inside.
    — Jackson Thompson OutKick, FOXNews.com, 3 Oct. 2026
  • So would Hilton at least be an advocate for undocumented immigrants?
    — Los Angeles Times, Los Angeles Times, 3 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
  • Of course, there are also age-old hustles so evidently dishonest that there was a time when their exponents risked being hung or shot.
    — Kit Chellel, Fortune, 5 Oct. 2026
  • Daniel Munoz, formerly with Glasner at Palace, is a key exponent of this.
    — Jacob Tanswell, New York Times, 14 Sep. 2026
Definition of exponent
Noun
  • Messina Touring Group, the promoter, said that Kraft — a friend of Sheeran — would not allow the tour to play his venues if Macklemore remained on the bill.
    — Chris Willman, Variety, 3 Oct. 2026
  • Two vocal supporters of Democratic gubernatorial hopeful Xavier Becerra filed a formal campaign finance complaint against his rival, Steve Hilton, on Tuesday over the Republican campaign’s use of paid online promoters.
    — Ben Paviour, Sacbee.com, 2 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 9 Oct. 2026.

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