15
repugnant(adjective, dull, weak, evil, offensive)
15
spoiled(adjective, quality, decayed)
14
hurtful(adjective, characteristic, help, mean, wrong)
14
abhorrent(adjective, dull, nasty, offensive, unpleasant)
14
criminal(adjective, evil, violent, corrupt, wicked)
14
destructive(adjective, evil, cruel, corrupt, negative)
14
boss(adjective, good, great, sound, tough)
14
decayed(adjective, quality, corrupt, foul, disgusting)
14
malicious(adjective, mean, wrong, evil, harsh)
14
mediocre(adjective, mean, weak, lower, poor)
14
odious(adjective, offensive, rude, awful, terrible)
14
pernicious(adjective, offensive, negative, foul, harmful)
14
reprehensible(adjective, wrong, evil, vile, wicked)
14
rough(adjective, quality, severe, poor, nasty)
14
sour(adjective, quality, nasty, offensive, unpleasant)
14
ugly(adjective, evil, nasty, offensive, base)
14
unfavourable
14
unfit(adjective, false, inadequate, improper, insufficient)
14
unfortunate(adjective, severe, sad, extreme, serious)
13
baleful(adjective, evil, nasty, corrupt, negative)
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APASmart Define. (2016). bad thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/bad/thesaurus/synonyms
ChicagoSmart Define. 2016. "bad thesaurus" https://smartdefine.org/bad/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, bad thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/bad/thesaurus/synonyms>.
MLASmart Define. "bad thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/bad/thesaurus/synonyms>