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
In my testing, the Rucker 4.0 was comfortable without its hip belt up to around 30 pounds.
—
Ian Graber-Stiehl,
Outside,
5 Dec. 2025
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
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
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
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
Ian Graber-Stiehl,
Outside,
5 Dec. 2025
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
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
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
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
-
The Social Security trust fund, which supports over 75 million Americans, is projected to dry up in 2032.
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By the time execution numbers drop, the creative pipeline dried up months ago.
Verb
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In one sketch, David as Bell makes the historic first phone call, but the guy on the other end won't shut up.
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Dude, just leave — or stay and shut up!
Verb
-
On Israel, a lot of candidates have clammed up.
-
The Arrested Development actor clammed up when Smartless cohost Jason Bateman brought up Arnett's ex-wife and their bathroom habits.
Verb
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The years have only intensified Zimmerman’s mournful, hushed vocal performance, and Dream Me a Dream often plays out like a bedtime story spun by a beloved elder, accompanied by soft strings, shakers, and even a synth or two.
-
The same idea is being explored elsewhere in London, though not always with the same hushed, Westminster polish.
Cite this Entry
“Belt up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/belt%20up. Accessed 29 Jun. 2026.
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