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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After seven years of searching the West for the perfect place to call home, Northern California author and wellness practitioner Osha Reader stumbled upon her peaceful High Sierra retreat by chance.—
David Caraccio,
Sacbee.com,
28 June 2025
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Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of the early universe.—
Nick Butler,
FOXNews.com,
28 June 2025
Verb
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While the pull chain is much easier than trying to fumble with a tiny button, the shade occasionally catches on it when closing.—
Simon Hill,
Wired News,
18 June 2025
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His team had just fumbled a win on the biggest stage, and his eyes wandered.—
Tony East,
Forbes.com,
15 June 2025
Verb
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The union had earlier brought up the risks associated with the protective platforms after another visitor tripped over one, causing no damage.—
News Desk,
Artforum,
25 June 2025
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In Death Stranding 2, players control a courier who trips over rocks, experiences sunburn, and faces his own possible obsolescence.—
Simon Parkin,
The Atlantic,
23 June 2025
Verb
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That connection and warmth was obvious on Friday night, with Cardi blowing past her bedtime to give the gays, the dolls and everyone else an experience beyond what any other NYC festival provides.—
Joe Lynch,
Billboard,
28 June 2025
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The sound of wind blowing and the floorboards settling is enough to prompt her to peer outside for possible hazards, hastily locking the front door after scanning the perimeter.—
David Fear,
Rolling Stone,
27 June 2025
Verb
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The team that started 5-0 while dominating Major League Rugby has slipped up down the stretch, losing matches like last week’s nail-biter at Seattle.—
Ivan Carter,
San Diego Union-Tribune,
29 May 2025
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The title was within its grasp but there was no room to slip up – only a win would guarantee the club the Scudetto.—
Issy Ronald,
CNN Money,
24 May 2025
Verb
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Why are investors so calm in a world filled with war and chaos? Because Iran’s options in terms of screwing up the oil market are actually quite limited.—
Jim Edwards,
Fortune,
23 June 2025
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So that was kind of like the two guys who screwed up.—
Michael Russo,
New York Times,
18 June 2025
Verb
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And just like that, Donald Trump ruined something else.—
James Hibberd,
HollywoodReporter,
26 June 2025
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However, for some, gambling is an addiction that can ruin lives and families.—
Daniella Segura,
Sacbee.com,
26 June 2025
Verb
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His idea is included in the tweet below: By adopting this policy, the league would immediately change the calculations that come with fouling up three.—
Mat Issa,
Forbes.com,
27 May 2025
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But Paige has been there, injuries fouling up her career, too.—
John Nogowski,
Hartford Courant,
25 Mar. 2025
Cite this Entry
“Louse up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/louse%20up. Accessed 4 Jul. 2025.
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