1
as in stumbles
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 fumbles
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 louses up
Verb
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Bleeding heavily, Waaler stumbles into a corridor and slowly takes his last breath as Hole, who jumped out at the floor above and ran back downstairs, watches, gun in hand.—
K.J. Yossman,
Variety,
27 Mar. 2026 -
If the student stumbles, the AI agent gives them clues, along with criticism and positive feedback.—
Jocelyn Gecker,
Fortune,
25 Mar. 2026
Verb
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If the creditor fumbles the process, then an otherwise valid and collectible debt may be barred.—
Virginia Hammerle,
Dallas Morning News,
8 Mar. 2026
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Sonny feels like a departure; unlike Bernthal’s mercenaries, Sonny fumbles with his gun, has a bleeding heart, and lays his vulnerabilities bare.—
Rebecca Alter,
Vulture,
24 Feb. 2026
Verb
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Nor is the scene in which Cory trips on mushrooms on Hollywood Boulevard (which is probably true of half the people walking there).—
Frank Scheck,
HollywoodReporter,
15 Mar. 2026
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That's honestly great news for tailors and anyone who regularly trips over their own feet.—
Emily Tannenbaum,
Glamour,
7 Mar. 2026
Verb
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But Lee’s reputation would suffer serious blows more recently.—
Edmund H. Mahony,
Hartford Courant,
27 Mar. 2026
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Plan on a brisk Friday afternoon and evening as much colder air blows into Maryland.—
CBS News,
CBS News,
27 Mar. 2026
Verb
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At Baku, however, the car looks to be a podium contender, potentially fighting for the win if McLaren slips up.—
Nelson Espinal,
MSNBC Newsweek,
19 Sep. 2025
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Along the way Texas needs to hope Seattle slips up, or else that final weekend in Cleveland could wind up being meaningless.—
Mac Cerullo,
Boston Herald,
14 Sep. 2025
Verb
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One drop of red dye ruins the whole thing.—
Charles Trepany,
USA Today,
24 Mar. 2026
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And as per usual, a man ruins everything.—
Emily Tannenbaum,
Glamour,
19 Mar. 2026
Verb
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Dominic Zvada boots a 31-yard field goal to give the Wolverines the lead.—
Thomas Jones,
Austin American Statesman,
31 Dec. 2025
Verb
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And then Ron somehow blunders his way into getting the number jacked up to $100,000 in return for their silence.—
Frank Scheck,
HollywoodReporter,
14 Mar. 2026
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Cite this Entry
“Louses up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/louses%20up. Accessed 3 Apr. 2026.
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