70 entries under obnoxious topic. ×

62
dirty(adjective, obscene, unclean, soiled, nasty)
32
vile(adjective, dirty, obscene, offensive, awful)
30
offensive(adjective, dirty, vulgar, obscene, nasty)
29
nasty(adjective, good, bad, blue, evil)
17
low(adjective, vulgar, obscene, nasty, rude)
16
mean(verb, adjective, good, evil, nasty)
15
sordid(adjective, dirty, bad, taste, awful)
14
disgusting(adjective, good, bad, blue, evil)
13
despicable(adjective, good, evil, nasty, offensive)
12
base(adjective, bad, evil, nasty, offensive)
11
odious(adjective, good, bad, taste, offensive)
10
wretched(adjective, good, bad, evil, nasty)
9
noisome(adjective, bad, blue, taste, nasty)
7
messy(verb, adjective, nasty, unpleasant, dirty)
7
ugly(adjective, bad, evil, nasty, offensive)
6
evil(adjective, blue, offensive, unpleasant, base)
6
horrible(adjective, blue, evil, nasty, offensive)
6
repellent(adjective, bad, blue, evil, nasty)
6
sickening(adjective, bad, blue, evil, taste)
6
wicked(adjective, dirty, coarse, vile, nasty)
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APASmart Define. (2015). filthy thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/filthy/thesaurus/synonyms
ChicagoSmart Define. 2015. "filthy thesaurus" https://smartdefine.org/filthy/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, filthy thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/filthy/thesaurus/synonyms>.
MLASmart Define. "filthy thesaurus" 17 July 2015. Web. 22 September 2026. <https://smartdefine.org/filthy/thesaurus/synonyms>