muck up

verb

Definition of muck upnext
as in to fumble
to make or do (something) in a clumsy or unskillful way I swear, she mucks up everything she tries

Synonyms & Similar Words

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Antonyms & Near Antonyms

Example Sentences

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
  1. fumble
  2. blow
  3. screw up
  4. foul up
  5. ruin
  6. boot
Verb
  • Basabe, 48, fumbled his way through the trial, often seeming confused about the legal proceedings.
    — Aaron Leibowitz, Miami Herald, 15 July 2026
  • The Sky rank 13th in the league with a 7-16 record after fumbling a fourth-quarter lead Sunday in a loss to the Dallas Wings.
    — Julia Poe, Chicago Tribune, 13 July 2026
Definition of fumble
Verb
  • The night quickly blew open from there, a 10-7 loss to the Philadelphia Phillies that was uglier than the final score and further sank Sheehan’s season.
    — Fabian Ardaya, New York Times, 21 July 2026
  • As the final seconds ticked down on Spain’s 1-0 extra-time win over a valiant Argentina and the referee blew his whistle, one could be forgiven for their mind once again slipping to memories of La Roja’s maiden World Cup victory.
    — Patrick Sung Cuadrado, CNN Money, 20 July 2026
Definition of blow
Verb
  • By the end, Kylian Mbappe, the form player of the tournament, could only screw up his nose in frustration.
    — Adam Crafton, New York Times, 15 July 2026
  • But four years ago, Sorsby screwed up in a massive way.
    — Trey Wallace OutKick, FOXNews.com, 2 June 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
  • However, for some, gambling is an addiction that can ruin lives and families.
    — Don Sweeney, Sacbee.com, 15 July 2026
  • But Neill doesn’t lean into the crotchety loner stereotype that could have ruined the entire film, finding a core of relatable decency in this outsider that instead holds the whole effort together with an honest humanity reflected in his choices.
    — Brian Tallerico, Vulture, 14 July 2026
Definition of ruin
Verb
  • Players each have 30 seconds on a personal clock, so whoever takes the longest and runs out of time first — sometimes because Jacquis calls for detailed clarifications — gets booted.
    — Tasha Robinson, Vulture, 14 July 2026
  • The affair was a lopsided route booting the Spanish out of Cuba, Puerto Rico, the Philippines, and Guam.
    — Chadd Scott, Forbes.com, 10 July 2026
Definition of boot

Browse Nearby Words

mucks up
muck up
mucky
See all Nearby Words

Cite this Entry

“Muck up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/muck%20up. Accessed 23 Jul. 2026.

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