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
-
While these sources have dried up, Russia can now also count on North Korean troops who again are thrown into the most intense combat and suffer a high rate of casualties.—
David Hambling,
Forbes.com,
7 Aug. 2025
-
But this font of renewal dries up: an eighty-year-old’s bone marrow contains two hundred times fewer stem cells than a newborn’s.—
Tad Friend,
New Yorker,
4 Aug. 2025
Verb
-
Management essentially said shut up and get to work.—
Karl Freund,
Forbes.com,
11 Aug. 2025
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Part of healing for me has been to shut up and let my mind just be a single mind.—
Stuart Miller,
Oc Register,
5 Aug. 2025
Verb
-
Then, after Austin Jackson sustained his season-ending knee injury in early November in Miami’s loss to the Bills , the Dolphins run game clammed up.—
Omar Kelly,
Miami Herald,
29 July 2025
-
Although that doesn’t account for those opposite behaviors (e.g., clamming up).—
Caleb Harris,
Austin American Statesman,
2 July 2025
Verb
-
This year, the streets are hushed, and many children walk to school alone.—
Hanna Kang,
Oc Register,
15 Aug. 2025
-
The wild west of Ireland reveals sea cliffs like Slieve League, hushed peat bogs, and winding roads threading through Connemara’s granite hills and glassy lakes.—
Lewis Nunn,
Forbes.com,
14 Aug. 2025
Cite this Entry
“Belt up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/belt%20up. Accessed 20 Aug. 2025.
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