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
-
To make matters worse, sources of international aid have dried up.—
Angelica Ang,
Fortune,
25 May 2026
-
There is great concern because the springs in Arachova are drying up and reservoirs are not refilling, according to the mayor.—
ABC News,
ABC News,
24 May 2026
Verb
-
The core Mom skills — listening, caring, advising; maybe a little nagging, maybe shutting up — never go away.—
Andre Mouchard,
Daily News,
9 May 2026
-
Even when the houselights dim mid-overture some of them still don’t shut up.—
Christopher Arnott,
Hartford Courant,
3 May 2026
Verb
-
The atmosphere had changed—security kept an eye out for media to turn away at the entrance, and golfers clammed up when asked what was going on at the club.—
Dan Alexander,
Forbes.com,
18 May 2026
-
Everyone in the theater clammed up, as if embarrassed to have endorsed Max with laughter.—
Jackson McHenry,
Vulture,
29 Apr. 2026
Verb
-
Sweeping views over Hyde Park and expert soundproofing that hushes those busy London street horns.—
Lewis Nunn,
Forbes.com,
19 May 2026
-
Tage Thompson’s voice was hushed when speaking to reporters.—
Matthew Fairburn,
New York Times,
19 May 2026
Cite this Entry
“Belt up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/belt%20up. Accessed 27 May. 2026.
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