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
louses up
verb
1
as in fumbles
to make a mistake everything is riding on this project, so we can't afford to louse up Synonyms & Similar Words
Relevance
- fumbles
- stumbles
- trips
- slips up
- blunders
- screws up
- goofs (up)
- errs
- fouls up
- drops the ball
- nods
- mistakes
- lays an egg
- flubs
- fluffs
- boobs
- misunderstands
- messes (up)
- misdeems
- botches
- foozles
- misconstrues
- muffs
- misconceives
- miscues
- misjudges
- miscounts
- murders
- butchers
- bungles
- misgauges
- miscalculates
- mangles
- bobbles
- misinterprets
- mishandles
2
as in blows
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
- fumbles
- blows
- mucks up
- ruins
- boots
- botches
- screws up
- bollixes (up)
- spoils
- boggles
- goofs (up)
- murders
- destroys
- dubs
- muffs
- fouls up
- butchers
- buggers (up)
- flubs
- fluffs
- foozles
- damages
- bungles
- piffles
- bobbles
- messes (up)
- mangles
- bumbles
- flaws
- mars
- wrecks
- blunders
- injures
- hurts
- muddles
- mutilates
- harms
- impairs
- blights
- vitiates
- blemishes
- mismanages
- gums (up)
- mishandles
Antonyms & Near Antonyms
- improves
- helps
- enhances
- reforms
- ameliorates
- remedies
- refines
- betters
- meliorates
- rectifies
- repairs
- doctors
- fixes
- reconditions
- revamps
- patches
- renovates