4
off(adjective, informal, rank, foul, disagreeable)
4
poisonous(adjective, bad, offensive, heavy, foul)
4
stenchful(adjective, foul, stinking, smelly, foul-smelling)
4
stenchy(adjective, hard, foul, old, sour)
4
unbecoming(wrong, offensive, rude, coarse, vile)
4
unpeasant-smelling
3
beastly
3
decomposed(adjective, foul, rotten, contaminated, stinking)
3
evil-smelling(adjective, rank, disagreeable, sour, stale)
3
filthy(adjective, bad, offensive, rude, unpleasant)
3
frowsy
3
horrid(adjective, bad, offensive, unpleasant, foul)
3
improper(adjective, offensive, rude, coarse, vile)
3
moldy(adjective, strong, offensive, sweet, rank)
3
nauseous(adjective, strong, offensive, sweet, foul)
3
pestilential(adjective, bad, offensive, foul, disgusting)
3
polluted(adjective, bad, offensive, unpleasant, rank)
3
sour(adjective, hard, rank, disagreeable, old)
3
spoiled(adjective, hard, old, sour, stale)
3
stuffy(adjective, stale, rotten, musty, aged)
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APASmart Define. (2015). malodorous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/malodorous/thesaurus/synonyms
ChicagoSmart Define. 2015. "malodorous thesaurus" https://smartdefine.org/malodorous/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, malodorous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/malodorous/thesaurus/synonyms>.
MLASmart Define. "malodorous thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/malodorous/thesaurus/synonyms>