as in fumbling
to make or do (something) in a clumsy or unskillful way
I swear, she mucks up everything she tries
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Recent Examples of mucking up
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
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
Recent Examples of Synonyms for mucking up
Verb
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But Henry hasn’t made a habit of fumbling throughout his career, so this is an unusual stretch.—
Blair Kerkhoff,
Kansas City Star,
26 Sep. 2025
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The uncharacteristic nature of fumbling the ball three times in a row is not lost on the star running back.—
James Brizuela,
MSNBC Newsweek,
23 Sep. 2025
Verb
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Best of all though is Reeves, channeling his own 1989 comic past from Bill & Ted’s Excellent Adventure or a bit of Todd Higgins from Parenthood to bring deadpan delight as the well-meaning but constantly screwing up angel trying to do good but being so bad at it.—
Pete Hammond,
Deadline,
7 Sep. 2025
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As Nick in the present-adjacent day sure knows a hell of a lot about Dante Alighieri, perhaps the best person to criticize him and recognize his gaps in logic and knowledge, and how Nick is so profoundly screwing up his own life, would be Dante himself.—
Ryan Lattanzio,
IndieWire,
3 Sep. 2025
Verb
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Equating your value to your bank account, or blowing cash to feel validated.—
Dossé-Via Trenou,
Refinery29,
5 Oct. 2025
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He and his apprentices host glass- blowing classes on Fridays and Saturdays (reservation required), when guests can make anything from a bowl to a tumbler to an ornament.—
Tara Massouleh McCay,
Southern Living,
4 Oct. 2025
Cite this Entry
“Mucking up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mucking%20up. Accessed 7 Oct. 2025.
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