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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Example Sentences
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Recent Examples of muck up
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
While the Governor's Cup may be safe, there are other ways the ACC's and SEC's scheduling moves could muck up Louisville's future football schedules.
—Payton Titus, Louisville Courier Journal, 25 Sep. 2025
What's mucking up the process is a telepathic outlier named The Mule (Pilou Asbæk), whose ravenous appetite for galactic dominance has created anomalies in Seldon's branching prognostications of how this whole ordeal will unfold.
—Jeff Spry, Space.com, 29 Aug. 2025
The hydrogen flow keeps vaporized tin from mucking up the system’s optics.
—IEEE Spectrum, 12 June 2023
See All Example Sentences for muck up
Zachary Schermele, USA Today, 11 Nov. 2025
While the Governor's Cup may be safe, there are other ways the ACC's and SEC's scheduling moves could muck up Louisville's future football schedules.
—Payton Titus, Louisville Courier Journal, 25 Sep. 2025
What's mucking up the process is a telepathic outlier named The Mule (Pilou Asbæk), whose ravenous appetite for galactic dominance has created anomalies in Seldon's branching prognostications of how this whole ordeal will unfold.
—Jeff Spry, Space.com, 29 Aug. 2025
The hydrogen flow keeps vaporized tin from mucking up the system’s optics.
—IEEE Spectrum, 12 June 2023
See All Example Sentences for muck up
Recent Examples of Synonyms for muck up
Verb
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Andrea Pinamonti’s sublime strike helped Sassuolo fight back to win 2-1 as Cagliari fumbled a precious lead.—
ABC News,
ABC News,
4 Apr. 2026
-
With the title in their grasp, the Ducks have greased up their fingers, fumbling into a four-game winless slump.—
Andrew Knoll,
Oc Register,
4 Apr. 2026
Verb
-
Be careful when handling debris that may have blown into your yard.—
CA Weather Bot,
Sacbee.com,
1 Apr. 2026
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Pitchers and batters are both worse than a coin-flip at issuing challenges – blown calls in a matter of seconds.—
Hannah Keyser,
CNN Money,
31 Mar. 2026
Verb
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But what really screws up Julia are the deliveries.—
Pete Hammond,
Deadline,
17 Mar. 2026
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The Sens are going to lose their pick for nothing at all, because of how a GM their fans didn’t like screwed up a trade his team wasn’t even involved in.—
Sean McIndoe,
New York Times,
11 Mar. 2026
Verb
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But their strategy was fouled up when the car’s occupants switched on the headlights, throwing a glare up the tote road along which the wardens had planned to sprint.—
Dave Duffey,
Outdoor Life,
26 Mar. 2026
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Wild turkeys gobbled up Staten Island straphangers’ time on Monday, after a flock fouled up service on the Staten Island Railway.—
Evan Simko-Bednarski,
New York Daily News,
17 Mar. 2026
Verb
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Talley went long with an 8-iron into a back bunker on the 12th, the hole that ruined Jordan Spieth's chances of a repeat Masters victory in 2016.—
ABC News,
ABC News,
4 Apr. 2026
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The multiple mistresses ruined his image; the countless injuries derailed his golf game.—
Mike Bianchi,
The Orlando Sentinel,
4 Apr. 2026
Verb
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With attackers on both shoulders, Dengler could only tap the ball back to Andema in net, forcing Andema to scramble and desperately boot the ball upfield.—
Idaho Statesman,
Idaho Statesman,
5 Apr. 2026
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Earlier this week, the striking WGAW staff discovered that they would be booted off their health insurance plans effective April 1.—
Katie Campione,
Deadline,
4 Apr. 2026
Cite this Entry
“Muck up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/muck%20up. Accessed 6 Apr. 2026.
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