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
Relevance
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
Verb
-
As first reported by Deadline, the plot follows a boy who stumbles upon a secret late-night broadcast of lizards playing otherworldly music, after which a hidden door to the extraordinary swings open.—
Nick Romano,
Entertainment Weekly,
8 Sep. 2025 -
The trio stumbles upon a crucial piece of evidence - and promptly compromises it.—
Billie Melissa,
MSNBC Newsweek,
8 Sep. 2025
Verb
-
Lake Mary’s O’Shea Faison fumbles after picking up the first down yardage.—
Buddy Collings,
The Orlando Sentinel,
16 Aug. 2025
Verb
-
Several videos begin with Taddese’s friend, who wore a white shirt and gray pants, pushing a persondown as that individual trips him.—
PJ Green,
Kansas City Star,
12 Sep. 2025
-
In Bora Bora, trips with Bora Diving Center (by Eleuthera) are another good bet for seeing mantas and schooling eagle rays within the famous lagoon.—
Terry Ward,
AFAR Media,
11 Sep. 2025
Verb
-
What happens if this group blows a few late leads early in this season?—
Corey Masisak,
Denver Post,
6 Sep. 2025
-
Paul finds out and blows his top.—
Stephanie Zacharek,
Time,
4 Sep. 2025
Verb
-
Nobody notices when the bassist slips up.—
Rob Sheffield,
Rolling Stone,
9 Aug. 2025
Verb
-
When that happens, 67% of teens say their malfunctioning laptop ruins their entire day.—
Sherri Gordon,
Parents,
11 Sep. 2025
-
One mistake often ruins an entire load, sending recyclables straight to landfills.—
Kurt Knutsson,
FOXNews.com,
11 Sep. 2025
Verb
-
Ego screws up most of the things in this life.—
Jason Mastrodonato,
Mercury News,
5 Sep. 2025
Verb
-
Liposuction surgically removes fat cells, while cryolipolysis freezes and destroys them.—
Bryant Stamford,
The Courier-Journal,
29 Aug. 2025
-
But the loving couple’s equilibrium hits a major bump when a freak coastal storm destroys Theo’s new building before its inauguration and viral videos compound his humiliation.—
David Rooney,
HollywoodReporter,
25 Aug. 2025
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.
Cite this Entry
“Louses up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/louses%20up. Accessed 14 Sep. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share