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
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Recent Examples of booster
The nuclear engine would be part of the rocket’s upper stage, while the second-stage booster would use conventional fuel.
—
Matthew S Williams, Interesting Engineering, 10 Jan. 2026
Just weeks after the fun ended, Mosley must convince boosters, donors and fans that 2025 doesn’t have to be a one-off.
—Mac Engel
january 9, Fort Worth Star-Telegram, 9 Jan. 2026
Resistance training has been proven to be a great mood booster and can alleviate symptoms of depression.
—Marisa McMillan, Outside, 9 Jan. 2026
This marked the 21st flight for the first-stage booster, the most in the booster fleet, having previously flown on human spaceflight missions Inspiration4 and Axiom Space’s Ax-1 among others.
—Richard Tribou, The Orlando Sentinel, 9 Jan. 2026
See All Example Sentences for booster
Matthew S Williams, Interesting Engineering, 10 Jan. 2026
Just weeks after the fun ended, Mosley must convince boosters, donors and fans that 2025 doesn’t have to be a one-off.
—Mac Engel
january 9, Fort Worth Star-Telegram, 9 Jan. 2026
Resistance training has been proven to be a great mood booster and can alleviate symptoms of depression.
—Marisa McMillan, Outside, 9 Jan. 2026
This marked the 21st flight for the first-stage booster, the most in the booster fleet, having previously flown on human spaceflight missions Inspiration4 and Axiom Space’s Ax-1 among others.
—Richard Tribou, The Orlando Sentinel, 9 Jan. 2026
See All Example Sentences for booster
Recent Examples of Synonyms for booster
Noun
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But proponents of the industry claim that the environmental costs still net out as a plus since the space data centers take processing off the fossil-fuel-burning grid.—
Jeffrey Kluger,
Time,
7 Jan. 2026
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One of the biggest proponents of the capri resurgence, the supermodel has been making a stylish case for cropped pants since last summer—and her latest iteration takes the divisive Noughties silhouette into Italian girl style territory.—
Lara Walsh,
InStyle,
7 Jan. 2026
Noun
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Inzunza Noriega, who appeared in a wheelchair, said little at the hearing but exchanged hand signals of encouragement with two supporters as he was wheeled out of the courtroom.—
Alex Riggins,
San Diego Union-Tribune,
22 Jan. 2026
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If feedback arrives, filter it for usefulness and keep moving, because your authentic tone attracts supporters who appreciate your vision.—
Tarot.com,
Baltimore Sun,
21 Jan. 2026
Noun
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Montoya Sanchez said the protest was organized internally by the families exhausted by the long detention and conditions that advocates say have included food with worms, constant illness and insufficient medical access.—
Valerie Gonzalez,
Twin Cities,
25 Jan. 2026
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Colorado Parks and Wildlife employees are in the crosshairs, caught between mountain lion lovers on the left and anti-wolf advocates on the right.—
The Denver Post Editorial Board,
Denver Post,
24 Jan. 2026
Noun
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The development of her own particular free indirect discourse form of writing culminated in her position as an early exponent of the Modernist short story.—
Literary Hub,
Literary Hub,
17 Dec. 2025
-
The bird’s eyes remained blank, unmoved by the exponent.—
Hazlitt,
Hazlitt,
19 Nov. 2025
Noun
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Thornton, a longtime Eagle resident who co-founded The Big Easy in 2000 — now called the Knitting Factory Concert House in downtown Boise — is the president of promoter Live Nation’s mountain region.—
Michael Deeds,
Idaho Statesman,
22 Jan. 2026
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And King was the most prominent promoter of this approach.—
Gal Beckerman,
The Atlantic,
19 Jan. 2026
Cite this Entry
“Booster.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/booster. Accessed 26 Jan. 2026.
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