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 Sure, all this meddling does muck up the pacing somewhat, but who cares? — Jeff Spry, Space.com, 27 Apr. 2026 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 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
  • On the first play of Rutgers' next drive, Surace was sacked at the Rutgers 8 and fumbled with Northwestern’s Jamaal Johnson recovering.
    — ABC News, ABC News, 24 Oct. 2026
  • The Chiefs actually missed a 43-yard field goal that would have won the game in regulation — after Justin Houston forced Lamar Jackson to fumble — but won the game with a short kick in overtime.
    — Sam McDowell, Kansas City Star, 23 Oct. 2026
Definition of fumble
Verb
  • Stephen Curry scored 24 points, rookie Yaxel Lendeborg added 18 points, 13 rebounds and six assists in his home debut, but the Warriors blew it as Memphis capitalized with a 17-0 run.
    — ABC News, ABC News, 24 Oct. 2026
  • Either way, that would widen the deficit and blow past the government's 5% GDP target.
    — Hugh Leask, CNBC, 24 Oct. 2026
Definition of blow
Verb
  • Dallas is going to be better, but the Cowboys always screw up.
    — Nick Canepa, San Diego Union-Tribune, 5 Sep. 2026
  • That doesn’t mean the Yankees screwed up in their process by trading for Stanton.
    — Chris Kirschner, New York Times, 23 Aug. 2026
Definition of screw up
Verb
  • Then police closed that, too — at midafternoon Tuesday after a report of a suspicious package — fouling up traffic for New Yorkers even more.
    — ABC News, ABC News, 23 Sep. 2026
  • 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
Definition of foul up
Verb
  • Burdick seemed to have drawn directly from McCarthy’s experience, the hopelessness of fighting with his father over a world his father had already ruined, the surrender to indulgence and mindless violence because…why not?
    — Literary Hub, Literary Hub, 20 Oct. 2026
  • Each room is also outfitted with a Yale smart lock, which means there’s no room for that horrible feeling of losing a room key to ruin your vacation.
    — Condé Nast, Condé Nast Traveler, 20 Oct. 2026
Definition of ruin
Verb
  • Former Citadel punter James Platte was booting the ball on the Giants’ field after practice on Thursday to punt returners Charlie Jones and Dalen Cambre.
    — Pat Leonard, New York Daily News, 22 Oct. 2026
  • Back at the hotel, Vision boots up his head-laser when Paladin’s drone approaches.
    — Tasha Robinson, Vulture, 21 Oct. 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 25 Oct. 2026.

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