27 entries under unhealthy topic. ×

40
poisonous(adjective, help, heavy, foul)
35
deadly(adjective, bad, evil, harmful)
25
noxious(adjective, harmful, dangerous, injurious)
19
virulent(adjective, help, harmful, noxious)
19
baneful(adjective, bad, offensive, foul)
19
deleterious(adjective, bad, evil, offensive, foul)
18
pernicious(adjective, bad, evil, offensive, foul)
17
destructive(adjective, harmful, dangerous, injurious)
12
detrimental(adjective, bad, evil, offensive, foul)
10
malignant(adjective, offensive, foul, dangerous)
9
septic(adjective, unclean, poisonous, insalubrity)
7
unwholesome(adjective, offensive, foul, harmful)
7
insalubrious(adjective, unclean, harmful, unwholesome)
7
unhealthy(adjective, offensive, heavy, foul, rich)
6
unhealthful(adjective, offensive, foul, harmful)
5
evil(adjective, bad, nasty, offensive, foul)
5
foul(adjective, offensive, unclean, harmful)
5
pestilent(adjective, harmful, fatal, unwholesome)
4
contagious
3
pathological
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APASmart Define. (2015). toxic thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/toxic/thesaurus/synonyms
ChicagoSmart Define. 2015. "toxic thesaurus" https://smartdefine.org/toxic/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, toxic thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/toxic/thesaurus/synonyms>.
MLASmart Define. "toxic thesaurus" 17 July 2015. Web. 30 September 2026. <https://smartdefine.org/toxic/thesaurus/synonyms>