1
transitive verb
intransitive verb
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Synonyms
blunder, boob [British], err, flub, fluff, foul up, fumble, goof (up), mess (up), screw up, slip up, stumble, trip
1934, in the meaning defined at transitive sense
More from Merriam-Webster on louse up
Rhyming Dictionary: Words that rhyme with louse up
Thesaurus: All synonyms and antonyms for louse up
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