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
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
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
Chris Gardner, HollywoodReporter, 14 Nov. 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
Recent Examples of Synonyms for mucking up
Verb
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This alone can shave valuable minutes off your screening and help you to breeze through the scanner instead of fumbling at the bins.—
Kayla Kitts,
Travel + Leisure,
13 Mar. 2026
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Kathy Ireland accused her former team of fumbling her multimillion-dollar fortune, according to documents obtained by Fox News Digital.—
Tracy Wright,
FOXNews.com,
11 Mar. 2026
Verb
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First of all, don’t hide misdeeds and screwups, which comes naturally by not committing misdeeds and not screwing up.—
Eleanor Dearman,
Fort Worth Star-Telegram,
14 Feb. 2026
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Right now, Iranians are blaming, appropriately, the regime for screwing up the country.—
CBS News,
CBS News,
11 Jan. 2026
Verb
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Wind speeds were blowing at 12 mph in Grant, with gusts up to 29 mph, and Fairplay was seeing winds at 21 mph with gusts of up to 38 mph at the time of the closure, according to AccuWeather.—
Aldo Svaldi,
Denver Post,
17 Mar. 2026
-
Try to find a place that will block blowing or falling debris.—
NC Weather Bot,
Charlotte Observer,
17 Mar. 2026
Cite this Entry
“Mucking up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mucking%20up. Accessed 19 Mar. 2026.
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