1
as in to stumble
to make a mistake
everything is riding on this project, so we can't afford to louse up
Synonyms & Similar Words
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2
as in to fumble
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
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Recent Examples of louse up
Which is to say that America’s most prominent vaccine skeptic could have the power to upend, derail, or otherwise louse up a cornerstone of public health.
—
Daniel Engber, The Atlantic, 20 Nov. 2024
Conversely, one of the easiest ways to louse up a team on draft day is to load up a team with players who aren’t going to produce at a level commensurate with when they were drafted.
—Gary Davenport, The Athletic, 5 Aug. 2024
Daniel Engber, The Atlantic, 20 Nov. 2024
Conversely, one of the easiest ways to louse up a team on draft day is to load up a team with players who aren’t going to produce at a level commensurate with when they were drafted.
—Gary Davenport, The Athletic, 5 Aug. 2024
Recent Examples of Synonyms for louse up
Verb
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In other words, voters didn’t accidentally stumble into supporting term limits.—
Jovani Patterson,
Baltimore Sun,
16 May 2026
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The Bucs gave up nearly 26 points per game in the final two months of the season while stumbling to a 2-7 finish.—
John Romano,
The Orlando Sentinel,
16 May 2026
Verb
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The stress of getting to your airport gate on time, coupled with the excitement of getting to your destination, can cause even the most seasoned of travelers to fumble at security checkpoints.—
Amelia McBride,
Travel + Leisure,
17 May 2026
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Santillan appears to be fumbling away his opportunity, allowing nine runs (eight earned) over his last five appearances.—
Mike Barner,
Forbes.com,
15 May 2026
Verb
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But in the dark, Yara was just trying their best not to trip over young clumps of prickly pear.—
Literary Hub,
Literary Hub,
19 May 2026
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Perhaps the best signal for how tech platforms have taken over the TV-ad world can be seen with ad sales executives from traditional entertainment companies tripping over themselves to tout their advanced data, their new agentic ad buying tools, and other advanced ad tech.—
Alex Weprin,
HollywoodReporter,
18 May 2026
Verb
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Interestingly, the blowing agent is derived from oyster shells discarded by the seafood industry, and the magnesium and calcium are sourced as natural byproducts of seawater desalination.—
Mrigakshi Dixit,
Interesting Engineering,
19 May 2026
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Arizona had already established a commanding 7-2 lead going into the fourth inning, but the Diamondbacks blew the doors open by putting up a five-spot to take a 10-run lead.—
Justice delos Santos,
Mercury News,
19 May 2026
Verb
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What makes all this so engaging is the knowledge that eventually, one side or the other will slip up and people will get hurt, and the confidence that Nemesis’s inner world is so vibrant that the fallout will just be as compelling as the lead-up.—
Roxana Hadadi,
Vulture,
14 May 2026
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For investors to get a return on that investment, Google can't afford to slip up.—
MacKenzie Sigalos,
CNBC,
10 May 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 May 2026
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The two screwed up a tilt-a-whirl spot, but Breakker made up for it with a standing moonsault.—
Alfred Konuwa,
Forbes.com,
9 May 2026
Verb
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Since 2015, it has been held in ten different cities, including Las Vegas, where a red carpet was constructed atop the Bellagio’s fountain pool, and Nashville, where rowdy attendees ruined bachelorette parties on Broadway.—
Dan Greene,
New Yorker,
18 May 2026
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Many riads were in a state of disrepair, crammed with striking examples of traditional craftsmanship going to ruin.—
Rebecca Ann Hughes,
Forbes.com,
15 May 2026
Verb
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On the ensuing power play, the Wild were doing a fine job when two of their normally reliable penalty killers fouled up.—
Michael Russo,
New York Times,
21 Apr. 2026
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There was Anthony Edwards brashly asking Watson if the Nuggets planned to foul up three at the end of regulation, before draining an incredible shot to force overtime.—
Bennett Durando,
Denver Post,
12 Apr. 2026
Cite this Entry
“Louse up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/louse%20up. Accessed 20 May. 2026.
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