BOOSTERS Synonyms: 44 Similar and Opposite Words

boosters

noun

plural of booster

as in proponents

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

Relevance

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 boosters Smart speakers, cameras, thermostats, routers, boosters, and connected home devices are items that Dausey says are constantly powered and connected to the internet. — Ashlyn Needham, The Spruce, 5 July 2026 The two side boosters returned for a land landing at Landing Zones 1 and 2 at Cape Canaveral Space Force Station while the center core stage fell into the ocean. — Richard Tribou, The Orlando Sentinel, 29 June 2026 Tetanus vaccination remains part of the routine childhood immunization schedule, with boosters recommended every 10 years and as needed following certain wounds. — Melissa Rudy, FOXNews.com, 1 July 2026 Additionally, Thursday morning’s mission was the last to use the Atlas V’s most powerful configuration with five strap-on solid rocket boosters. — Stephen Clark, ArsTechnica, 3 July 2026 Allows high-school coaches to receive additional compensation from funds raised by boosters and other support organizations (SB 538). — Jim Turner, Miami Herald, 30 June 2026 Their 10-day mission around the moon and back to Earth began with the roaring ignition of SLS's four RS-25 engines and two massive solid rocket boosters (SRBs). — Josh Dinner, Space.com, 1 July 2026

Recent Examples of Synonyms for boosters

Noun

Stream-access proponents took a similar approach in 2010, after a landowner on the Taylor River strung cables from bank to bank to keep a rafting company from floating down.

— Dac Collins, Outdoor Life, 1 July 2026
Many proponents believe that access to affordable models will act as a leveler, allowing smaller enterprises to innovate, test, and gain insights in ways previously that were previously much more challenging.

— Francesca Cassidy, Fortune, 22 June 2026

Definition of proponents

Noun

For some longtime advocates, the fear is more than just existential.

— Tamar Hallerman, AJC.com, 1 July 2026
The ruling was a setback for gun control advocates that had argued the measures were necessary for public safety in places like shopping malls, bars, restaurants, theaters, farms, arenas and private beaches.

— Peter Charalambous, ABC News, 30 June 2026

Definition of advocates

Browse Nearby Words

booster

boosters

boosting

See all Nearby Words

Cite this Entry

Style

“Boosters.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/boosters. Accessed 7 Jul. 2026.

Copy Citation

Synonyms of boosters

noun

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster on boosters

More from Merriam-Webster

Word of the Day

perfunctory

Popular in Grammar & Usage

Is that lie 'bald-faced' or 'bold-faced'?

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Commonly Misspelled Words

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)

Popular in Wordplay

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

One-Word Oxymorons: Bittersweet, Spendthrift, and More

Ten Words Ending with a Silent ‘T’

12 Lovely and Unusual Words for the Natural World

Popular

Is that lie 'bald-faced' or 'bold-faced'?

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

Games & Quizzes