4
ruinous(adjective, harm, distress, suffering)
4
toxicant(noun, substance, drugs, medicamentation)
4
unhealthful(adjective, description, characteristics, features)
4
unhealthy(adjective, health, harm, distress, organism)
3
bad(adjective, health, illness, states)
3
noisome(adjective, characteristics, features, traits)
3
maleficent(adjective, health, harm, distress, illness)
3
adverse(adjective, harm, distress, suffering)
3
bad for health(expression, quality, characteristics, states)
3
baleful(adjective, description, characteristics, features)
3
cancerous(adjective, harm, distress, suffering)
3
dangerous(adjective, harm, distress, suffering)
3
detrimental(adjective, harm, distress, suffering)
3
diseased(adjective, health, organism, cure)
3
insalubrious(adjective, description, characteristics, features)
3
pernicious(adjective, health, harm, distress, illness)
3
toxin(noun, substance, drugs, medicamentation)
3
unsanitary(adjective, health, status, states)
3
unwholesome(adjective, health, harm, distress, illness)
2
destructive(adjective, health, harm, distress, illness)
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APASmart Define. (2015). therapeutic thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/therapeutic/thesaurus/antonyms
ChicagoSmart Define. 2015. "therapeutic thesaurus" https://smartdefine.org/therapeutic/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2015, therapeutic thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/therapeutic/thesaurus/antonyms>.
MLASmart Define. "therapeutic thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/therapeutic/thesaurus/antonyms>