4
scurvy(adjective, contemptible, lowdown)
4
unpopular(adjective, pain, disagreeable, lousy, unwelcome)
3
forbidding(adjective, rough, nasty, offensive, dark)
3
unhappy(adjective, person, bad, nasty, offensive)
3
acute(adjective, endured)
3
agonizing(adjective, endured)
3
big mouth(expression, adjective, nasty, offensive, foul)
3
brackish(adjective, taste, awful, terrible, horrible)
3
cantankerous(adjective, rough, nasty, dark, rude)
3
corrupt(adjective, wicked)
3
crabbed(adjective, rough, nasty, dark, unpleasant)
3
damnable(adjective, nasty, awful, terrible, disgusting)
3
debauched(adjective, wicked)
3
excruciating(adjective, endured)
3
extreme(adjective, endured)
3
grewsome(adjective, endured)
3
harrowing(adjective, endured)
3
harsh(adjective, endured)
3
heel(adjective, nasty, offensive, foul, disgusting)
3
ill-favored(adjective, appearance, dislike, disgusting, ugly)
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APASmart Define. (2016). obnoxious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/obnoxious/thesaurus/synonyms
ChicagoSmart Define. 2016. "obnoxious thesaurus" https://smartdefine.org/obnoxious/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, obnoxious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/obnoxious/thesaurus/synonyms>.
MLASmart Define. "obnoxious thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/obnoxious/thesaurus/synonyms>