possible profanity
8
fluff(verb, root, stumble, botch, grope)
8
mismanage(verb, help, ruin, fail, correct)
8
snafu(verb, phrasal verb, upset, help, disorder)
7
blunder(verb, help, correct, harm, mistake)
7
butcher(verb, ruin, fail, blunder, fumble)
7
gum up(verb, expression, phrasal verb, help, correct)
6
bodge(verb, ruin, fail, damage, spoil)
6
bollocks
6
botch up(verb, expression, goof, scrabble, misgovern)
5
boggle(verb, help, correct, harm, blunder)
5
foul(disorder, jumble, tangle, clutter, derange)
5
goof(verb, mistake, root, blunder, stumble)
5
goof up(verb, expression, phrasal verb, help, correct)
5
mar(verb, hurt, ruin, fail, damage)
5
mess(verb, fail, informal, blunder, fumble)
5
wreck(verb, hurt, ruin, destroy, fail)
4
stumble(verb, disorder, ruin, fail, damage)
3
boot(verb, fail, blow, blunder, fumble)
3
bugger
3
bugger up
10 years ago|4.4k views|share |citing 
APASmart Define. (2016). louse up thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/louse_up/thesaurus/synonyms
ChicagoSmart Define. 2016. "louse up thesaurus" https://smartdefine.org/louse_up/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, louse up thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/louse_up/thesaurus/synonyms>.
MLASmart Define. "louse up thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/louse_up/thesaurus/synonyms>