MUCK UP Synonyms: 61 Similar and Opposite Words

muck up

verb

Definition of muck up

as in to fumble

to make or do (something) in a clumsy or unskillful way I swear, she mucks up everything she tries

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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 muck up Teams continue to sag off Hart in the half court to try to muck up New York’s offense. — James L. Edwards Iii, New York Times, 10 Apr. 2026 Well, the first and third mucked up their stories with some overly contrived lore about cults and gods, and the fourth was an experiment for the formula that didn’t quite work. — Alison Foreman, IndieWire, 23 Jan. 2026 At least not Will Welch, GQ’s longstanding editor-in-chief and global editorial director, who was absolutely zen about the threat of an atmospheric river mucking up the mag’s Men of the Year celebration last night. — Chris Gardner, HollywoodReporter, 14 Nov. 2025 Lawmakers need to get back to Washington to end the government shutdown - a shutdown that has mucked up travel plans around the country by contributing to widespread flight delays. — Zachary Schermele, USA Today, 11 Nov. 2025 See All Example Sentences for muck up

Recent Examples of Synonyms for muck up

Verb

Lake Brantley appeared to have picked up the first down on third down but the ball was fumbled backwards to put the Patriots in fourth and long.

— Buddy Collings, The Orlando Sentinel, 14 Aug. 2026
After Carter Jensen flew out to deep center field, Caglianone tagged from second base and kept running toward home as outfielder Andy Pages fumbled the baseball out of his glove.

— Kansas City Star, Kansas City Star, 12 Aug. 2026

Definition of fumble

Verb

California is attempting to build the nation's first bullet train, a project that's ballooned in cost and has blown through deadline after deadline for more than a decade.

— Julie Watts, CBS News, 18 Aug. 2026
The technology adapts the physics of Helmholtz resonance, which is the physical phenomenon behind the hum produced by blowing across a bottle neck.

— Mrigakshi Dixit, Interesting Engineering, 17 Aug. 2026

Definition of blow

Verb

Every time a player screwed up, the coaching staff and his teammates received a text message, calling out both the infraction and the guilty party.

— Dana O’Neil, CNN Money, 14 Aug. 2026
That growth is mostly a testament to how screwed up our school bus system currently is.

— Maggie McGrath, Forbes.com, 12 Aug. 2026

Definition of screw up

Verb

In the end, though, neither an explosion nor a giant spill of fluid that could foul up waterways and the ocean occurred.

— Hannah Fry, Los Angeles Times, 27 May 2026
An incorrect connection or approach can foul up a line, damage a plane or cause an accident.

— Tara Copp The Washington Post, Arkansas Online, 25 May 2026

Definition of foul up

Verb

Collins tried earlier this summer to get Fishback booted from the ballot, alleging Fishback had not met the state's seven-year minimum residency requirement.

— Caroline Linton, CBS News, 18 Aug. 2026
Francisco Lindor has booted way too many balls this season, that’s a fact.

— Mike Lupica, New York Daily News, 15 Aug. 2026

Definition of boot

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mucks up

muck up

mucky

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“Muck up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/muck%20up. Accessed 22 Aug. 2026.

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Synonyms of muck up

verb

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