as in to quiet (down)
to stop talking
the schoolboy ordered his mates to belt up about the prank
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of belt up
The evening’s co-main event bout between Raymond Ford and Thomas Mattice also has a belt up for grabs.
—
Trent Reinsmith, Forbes.com, 9 Apr. 2025
Going back home Sunday looks nice, except for the Lake Effect Snow belt up in New York, Pennsylvania and Michigan.
—Amanda Castro, Newsweek, 26 Nov. 2024
Going back home Sunday looks nice, except for the Lake Effect Snow belt up in New York, Pennsylvania and Michigan.
—Amanda Castro, Newsweek, 26 Nov. 2024
Canelo Alvarez of Mexico (57-1-2, 39 KOs) steps back into the ring to try and conquer yet another weight class, this time putting on several pounds for a matchup against current WBA light heavyweight champion Dmitry Bivol of Russia (19-0, 11 KOs) who is putting his belt up for grabs in this bout.
—oregonlive, 7 May 2022
So getting some of those at-bats under his belt up here will be part of that.
—Nick Piecoro, The Arizona Republic, 28 Aug. 2022
Designed to attach to a belt up to 2½ inches wide or to a PALS system, the pouch comes very close to duplicating the performance of an OWB holster.
—Mike Dickerson, Outdoor Life, 23 Oct. 2020
Trent Reinsmith, Forbes.com, 9 Apr. 2025
Going back home Sunday looks nice, except for the Lake Effect Snow belt up in New York, Pennsylvania and Michigan.
—Amanda Castro, Newsweek, 26 Nov. 2024
Going back home Sunday looks nice, except for the Lake Effect Snow belt up in New York, Pennsylvania and Michigan.
—Amanda Castro, Newsweek, 26 Nov. 2024
Canelo Alvarez of Mexico (57-1-2, 39 KOs) steps back into the ring to try and conquer yet another weight class, this time putting on several pounds for a matchup against current WBA light heavyweight champion Dmitry Bivol of Russia (19-0, 11 KOs) who is putting his belt up for grabs in this bout.
—oregonlive, 7 May 2022
So getting some of those at-bats under his belt up here will be part of that.
—Nick Piecoro, The Arizona Republic, 28 Aug. 2022
Designed to attach to a belt up to 2½ inches wide or to a PALS system, the pouch comes very close to duplicating the performance of an OWB holster.
—Mike Dickerson, Outdoor Life, 23 Oct. 2020
Recent Examples of Synonyms for belt up
Verb
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So many retailers are offering up to 70% off warm-weather trends (like strappy flats) and wardrobe essentials (like wide-leg jeans), at least before the deals dry up at midnight.—
Jake Henry Smith,
Glamour,
26 May 2025
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That's because there's less airflow around each plant, which helps dry up excess moisture that can allow pathogens to take hold.—
Viveka Neveln,
Better Homes & Gardens,
25 May 2025
Verb
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Large companies and small and dirty riverside businesses shut up shop, leaving scrub and wasteland.—
Sarah Beckwith,
New Yorker,
26 May 2025
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Ventura responded the next day by resharing a post from the culture website Shade Room showing a screenshot of rapper Playboi Carti telling Ye to shut up.—
Deon J. Hampton,
NBC news,
10 May 2025
Verb
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Again and again, West apologized to Ciara Miller for talking mess to the New York Times, handling their breakup poorly, and then clamming up all summer.—
Bethy Squires,
Vulture,
30 May 2025
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Meet Them At Their Comfort Level Some CEOs are great at being conversational and engaging on video; others clam up and want to use a script—which severely limits any feeling of authenticity.—
Elizabeth Baskin,
Forbes.com,
1 May 2025
Verb
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That 2-1 defeat was a stinger — Tōko Koga’s decisive goal in the 50th minute hushed an otherwise raucous San Diego crowd.—
Steven Louis Goldstein,
New York Times,
31 May 2025
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Young Morrison got a harsh lesson in how things are done in a blue state: Liberal groupthink is gospel, dissenters are heretics who should be hushed.—
Boston Herald editorial staff,
Boston Herald,
28 May 2025
Cite this Entry
“Belt up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/belt%20up. Accessed 10 Jun. 2025.
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