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
-
Hunters exploring in a remote section of the 500,000-acre Pisgah National Forest stumbled onto a body in the dark, according to investigators in western North Carolina.—
Mark Price
April 5,
Charlotte Observer,
5 Apr. 2026
-
In the clip, the two actors stumble backwards into the glass before falling through and out of the frame.—
Angelique Jackson,
Variety,
4 Apr. 2026
Verb
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Andrea Pinamonti’s sublime strike helped Sassuolo fight back to win 2-1 as Cagliari fumbled a precious lead.—
ABC News,
ABC News,
4 Apr. 2026
-
With the title in their grasp, the Ducks have greased up their fingers, fumbling into a four-game winless slump.—
Andrew Knoll,
Oc Register,
4 Apr. 2026
Verb
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The explosion tripped two electrical boxes not far away, Smith said, causing wires to detach from a power pole, which fell onto a minivan that became engulfed in flames.—
Jason Rantala,
CBS News,
30 Mar. 2026
-
The unwanted genetic material vanishes without a trace, which is what kept tripping scientists up for decades.—
Melissa Fleur Afshar,
MSNBC Newsweek,
30 Mar. 2026
Verb
-
Be careful when handling debris that may have blown into your yard.—
CA Weather Bot,
Sacbee.com,
7 Apr. 2026
-
Manuel Fernandes’ goal, created by West Ham’s outstanding talisman Jarrod Bowen, was a warning, a knock on the door before the hosts blew United’s house down.—
Beren Cross,
New York Times,
6 Apr. 2026
Verb
-
Other people’s opinions, or slipping up and saying the wrong thing?—
Jordan Robinson,
SELF,
19 Mar. 2026
-
So, why do knowledgeable fans or media slip up in that fashion?—
Fred Katz,
New York Times,
13 Mar. 2026
Verb
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But what really screws up Julia are the deliveries.—
Pete Hammond,
Deadline,
17 Mar. 2026
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The Sens are going to lose their pick for nothing at all, because of how a GM their fans didn’t like screwed up a trade his team wasn’t even involved in.—
Sean McIndoe,
New York Times,
11 Mar. 2026
Verb
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Talley went long with an 8-iron into a back bunker on the 12th, the hole that ruined Jordan Spieth's chances of a repeat Masters victory in 2016.—
ABC News,
ABC News,
4 Apr. 2026
-
The multiple mistresses ruined his image; the countless injuries derailed his golf game.—
Mike Bianchi,
The Orlando Sentinel,
4 Apr. 2026
Verb
-
But their strategy was fouled up when the car’s occupants switched on the headlights, throwing a glare up the tote road along which the wardens had planned to sprint.—
Dave Duffey,
Outdoor Life,
26 Mar. 2026
-
Wild turkeys gobbled up Staten Island straphangers’ time on Monday, after a flock fouled up service on the Staten Island Railway.—
Evan Simko-Bednarski,
New York Daily News,
17 Mar. 2026
Cite this Entry
“Louse up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/louse%20up. Accessed 8 Apr. 2026.
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