- Definitions|1
- Thesaurus|1.5k
- Abbreviations|0
| infected | |
| pathogenic | |
| pestiferous(offensive, foul, disgusting, harmful, poisonous) | |
| unclean(adjective, dirty) | |
| bad | |
| baneful(offensive, foul, disgusting, unhealthy, harmful) | |
| deleterious(adjective, offensive, foul, disgusting, unhealthy) | |
| destructive(adjective, harmful, poisonous, toxic) | |
| evil | |
| hurtful(offensive, foul, disgusting, harmful, poisonous) | |
| infirm | |
| morbific | |
| pernicious(adjective, offensive, foul, disgusting, unhealthy) | |
| damaging(adjective, harmful, injurious, detrimental) | |
| deadly(offensive, foul, disgusting, harmful, poisonous) | |
| morbid(adjective, offensive, foul, unhealthy, harmful) | |
| ailing | |
| bad for | |
| crippling | |
| disabling |
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Unhealthful on
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| APA | Smart Define. (2015). unhealthful thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unhealthful/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unhealthful thesaurus" https://smartdefine.org/unhealthful/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, unhealthful thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unhealthful/thesaurus/synonyms>. |
| MLA | Smart Define. "unhealthful thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/unhealthful/thesaurus/synonyms> |