289 entries under adjective topic. ×

8
malodorous(bad, offensive, rank, foul)
8
pestiferous(bad, evil, harmful, injurious)
8
prejudicial(cruel, unkind, distressing, upsetting)
8
stinking(bad, evil, offensive, base)
8
unhealthful(offensive, foul, disgusting, injurious)
7
beastly(mean, nasty, awful, dirty)
7
disagreeable
7
dreadful(awful, dirty, gloom, badly)
7
frightful(awful, dirty, gloom, badly)
7
spoiled(dirty, corrupt, rotten, injurious)
6
adverse(awful, dirty, gloom, badly)
6
appalling(evil, shameful, depraved, endured)
6
corrupt(bad, evil, base, foul)
6
disadvantageous(cruel, unkind, contrary, distressing)
6
gross(mean, bad, nasty, offensive)
6
horrid(bad, evil, offensive, base)
6
nocuous(cruel, unkind, distressing, upsetting)
6
septic(unhealthy, insalubrity)
6
suicidal(violent, cruel, harmful, injurious)
6
unhygienic(dirty, unhealthy, harmful, polluted)
11 years ago|22k views|share |citing 
APASmart Define. (2015). noxious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/noxious/thesaurus/synonyms
ChicagoSmart Define. 2015. "noxious thesaurus" https://smartdefine.org/noxious/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, noxious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/noxious/thesaurus/synonyms>.
MLASmart Define. "noxious thesaurus" 17 July 2015. Web. 23 September 2026. <https://smartdefine.org/noxious/thesaurus/synonyms>