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louses up

verb

present tense third-person singular of louse up
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

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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
  1. stumbles
  2. fumbles
  3. trips
  4. blows
  5. slips up
  6. ruins
  7. blunders
  8. boots
Verb
  • Byron Nelson stumbles again Normally an area power, Trophy Club Byron Nelson is off to a rocky start.
    — Charles Baggarly, Fort Worth Star-Telegram, 5 Sep. 2026
  • Camp’s turn here as a kooky neighbor who stumbles into an unexpected romance is exactly the kind of role that gets a room talking (and laughing).
    — Clayton Davis, Variety, 4 Sep. 2026
Definition of stumbles
Verb
  • DeLand was driving inside the 20 yard line and Taihj Moore fumbles, recovered by Lake Mary.
    — Buddy Collings, The Orlando Sentinel, 11 Sep. 2026
  • Buford scored 17 points off three Gainesville fumbles on punt plays.
    — Jack Leo, AJC.com, 25 Aug. 2026
Definition of fumbles
Verb
  • And as the cops try to arrest them, only to realize their own jails aren’t accessible, the film expresses perfectly how the government trips over its own feet while resisting inevitable change.
    — Glenn Garner, Deadline, 10 Sep. 2026
  • Wheeler trips more often now and no longer rides his scooter around the cul de sac because of his deteriorating vision and poor coordination.
    — Gerry Smith, CNBC, 10 Sep. 2026
Definition of trips
Verb
  • Policymakers' ignorance of oil market mechanics becomes clear only when geopolitics enters the picture and blows it all to hell, either figuratively or literally.
    — Michael Khouw, CNBC, 14 Sep. 2026
  • The exhaust port blows to the rear to allow for quick cleaning of leaves and grass clippings.
    — BestReviews, Chicago Tribune, 11 Sep. 2026
Definition of blows
Verb
  • 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
  • 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
Definition of slips up
Verb
  • Nothing ruins an outfit faster than an ill-fitting bra, which is why this V-neck option caught our eye.
    — Jacqueline Tempera, PEOPLE, 17 Sep. 2026
  • Bringing these types of guys back is what ruins a team’s flexibility.
    — Ira Winderman, Sun Sentinel, 7 Sep. 2026
Definition of ruins
Verb
  • 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
Definition of blunders
Verb
  • Olise always takes it and boots the ball straight out of play.
    — Stuart James, New York Times, 14 July 2026
  • Dominic Zvada boots a 31-yard field goal to give the Wolverines the lead.
    — Thomas Jones, Austin American Statesman, 31 Dec. 2025
Definition of boots
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

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Cite this Entry

“Louses up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/louses%20up. Accessed 19 Sep. 2026.

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