75 entries under obnoxious topic. ×

6
despicable(adjective, unpleasant, horrible, hateful, disagreeable)
6
evil(adjective, nasty, unpleasant, disgusting, horrible)
5
base(adjective, unpleasant, horrible, disagreeable, dreadful)
5
dirty(adjective, bad, offensive, unpleasant, foul)
5
filthy(adjective, bad, offensive, unpleasant, foul)
5
unseemly(adjective, offensive, unpleasant, negative)
4
wicked(adjective, unpleasant, terrible, dirty, horrible)
2
forbidding(adjective, offensive, unpleasant, disgusting, horrible)
2
ignoble(adjective, bad, wrong, unpleasant, horrible)
2
low(adjective, unpleasant, negative, horrible, hostile)
2
mean(adjective, nasty, offensive, unpleasant, horrible)
2
messy(adjective, unpleasant, terrible, dirty, horrible)
2
regrettable(adjective, offensive, unpleasant, negative)
2
rough(adjective, bad, nasty, offensive, unpleasant)
2
scandalous(adjective, nasty, unpleasant, awful, vile)
2
serious(adjective, bad, offensive, unpleasant, foul)
2
sordid(adjective, unpleasant, horrible, disagreeable, dreadful)
1
grievous(adjective, offensive, unpleasant, disgusting, horrible)
1
pesky(adjective, nasty, offensive, unpleasant, horrible)
1
spiteful(adjective, unpleasant, horrible, disagreeable, dreadful)
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APASmart Define. (2016). objectionable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/objectionable/thesaurus/synonyms
ChicagoSmart Define. 2016. "objectionable thesaurus" https://smartdefine.org/objectionable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, objectionable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/objectionable/thesaurus/synonyms>.
MLASmart Define. "objectionable thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/objectionable/thesaurus/synonyms>