1
as in fumbling
to make a mistake
everything is riding on this project, so we can't afford to louse up
Synonyms & Similar Words
Relevance
2
as in screwing up
to make or do (something) in a clumsy or unskillful way
I loused up the wallpapering job in the bedroom—the seams show too much
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for lousing 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 -
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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The bubble was the softest in recent memory, with one team after another stumbling late in the season.—
Mark Zeigler,
San Diego Union-Tribune,
15 Mar. 2026
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The club can continue stumbling through an awkward, uncertain moment.—
Mike Bianchi,
The Orlando Sentinel,
14 Mar. 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
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Try to find a place that will block blowing or falling debris.—
NC Weather Bot,
Charlotte Observer,
17 Mar. 2026
Verb
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Smart’s Bulldogs could now do with the Crimson Tide slipping up to improve their conference prospects, with Texas A&M still out in front as the SEC’s only unbeaten team.—
Ben Verbrugge,
MSNBC Newsweek,
8 Nov. 2025
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The main components have measurement indicators so there’s no chance of slipping up, and the parts can all nest inside the large container for easy storage when you’re done drinking your coffee.—
Mark Marino,
Bon Appetit Magazine,
29 Aug. 2025
Verb
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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
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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
Verb
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Less than a minute into the game, Wild defenseman Brock Faber went to the penalty box for tripping and the Rangers converted on the ensuing power play.—
Jess Myers,
Twin Cities,
15 Mar. 2026
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Meanwhile, Avantika is the comedic standout as Bible-thumper Grace, who has no trouble taking down full grown men while tripping on drugs throughout much of the film, providing endless levity to the most dire of scenarios.—
Glenn Garner,
Deadline,
13 Mar. 2026
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Cite this Entry
“Lousing up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lousing%20up. Accessed 18 Mar. 2026.
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