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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Here, the feel is of a car-free village where guests and day-tripping locals can mingle over pétanque games, art galleries, and craft workshops, casual and fine dining cuisine, and rejuvenating sessions in the spa’s Iyashi Dôme.—
Condé Nast,
Condé Nast Traveler,
12 May 2026
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Slipping in a grocery store or tripping in a hotel lobby is bad enough on its own.—
Miami Herald,
Miami Herald,
12 May 2026
Verb
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But second-year point guard Carla Leite, who had hurt her ankle earlier in the evening, blew by Jones in isolation to tie the score 96-96 with 27 seconds to play.—
Sabreena Merchant,
New York Times,
13 May 2026
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Tree limbs could be blown down and a few power outages may result.—
CA Weather Bot,
Sacbee.com,
12 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 18 May. 2026.
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