530 entries under verb topic. ×

8
stop(action, bad, hinder, spoil)
8
vitiate(cut, hurt, damage, harm)
7
blot(noun, action, bad, spoil)
7
bungle(noun, action, bad, awful)
7
constipate(action, hinder, spoil, dirty)
7
dam(noun, action, bad, hinder)
7
daub(action, bad, spoil, awful)
7
disgrace(action, bad, hurt, dirty)
7
mess(spoil, dirty, muddy, pollute)
7
obstruct(action, hinder, spoil, dirty)
7
plug(noun, action, bad, hinder)
7
poison(adjective, bad, hurt, harm)
7
ruin(cut, hurt, damage, harm)
7
snag(noun, action, bad, hinder)
7
twist(catch, dirty, entangle, snarl)
6
abase(action, doing dirty)
6
addle(action, disorder, disturb, block)
6
back up(expression, phrasal verb, action, doing dirty)
6
bar(noun, adjective, feature, action)
6
besmear(catch, spoil, dirty, pollute)
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APASmart Define. (2016). foul thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/foul/thesaurus/synonyms
ChicagoSmart Define. 2016. "foul thesaurus" https://smartdefine.org/foul/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, foul thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/foul/thesaurus/synonyms>.
MLASmart Define. "foul thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/foul/thesaurus/synonyms>