louse up
verb
loused up; lousing up; louses up
transitive verb
: foul up, snarl
intransitive verb
: to make a mess
Synonyms
- blunder
- boob [British]
- err
- flub
- fluff
- foul up
- fumble
- goof (up)
- mess (up)
- screw up
- slip up
- stumble
- trip
See all Synonyms & Antonyms 
Example Sentences
everything is riding on this project, so we can't afford to louse up I loused up the wallpapering job in the bedroom—the seams show too much.
Word History
First Known Use
1934, in the meaning defined at transitive sense
loused up
verb
1
as in stumbled
to make a mistake everything is riding on this project, so we can't afford to louse up Synonyms & Similar Words
Relevance
- stumbled
- fumbled
- slipped up
- screwed up
- tripped
- fouled up
- erred
- dropped the ball
- blundered
- laid an egg
- nodded
- fluffed
- goofed (up)
- misunderstood
- boobed
- flubbed
- foozled
- messed (up)
- botched
- misgauged
- mangled
- misgaged
- misdeemed
- muffed
- bungled
- murdered
- misjudged
- misconstrued
- butchered
- misconceived
- bobbled
- mishandled
- misinterpreted
- miscued
- miscalculated
- miscounted
- mistook
2
as in fumbled
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
- fumbled
- screwed up
- mucked up
- foozled
- blew
- ruined
- fouled up
- dubbed
- destroyed
- botched
- spoiled
- booted
- murdered
- boggled
- mangled
- bollixed (up)
- bungled
- muffed
- goofed (up)
- fluffed
- butchered
- buggered (up)
- piffled
- damaged
- bobbled
- flubbed
- injured
- messed (up)
- bumbled
- marred
- impaired
- flawed
- hurt
- gummed (up)
- wrecked
- mutilated
- muddled
- blighted
- blundered
- harmed
- vitiated
- mismanaged
- spoilt
- blemished
- mishandled
Antonyms & Near Antonyms
- improved
- enhanced
- helped
- refined
- remedied
- bettered
- meliorated
- ameliorated
- rectified
- reformed
- fixed
- renovated
- repaired
- patched
- reconditioned
- revamped
- doctored