- Definitions|2
- Thesaurus|1.7k
- Abbreviations|0
114 entries under harmful topic. ×
| unhealthy(adjective, offensive, foul, disgusting, distressing) | |
| unwholesome(adjective, offensive, foul, disgusting, unhealthy) | |
| dangerous(adjective, bad, offensive, foul) | |
| deadly(adjective, bad, evil, cruel, unkind) | |
| disastrous(adjective, injurious, damaging, deadly) | |
| malign(adjective, mean, bad, evil, nasty) | |
| virulent(adjective, mean, bad, evil, nasty) | |
| calamitous(adjective, injurious, damaging, deadly) | |
| catastrophic(adjective, injurious, damaging, deadly) | |
| lethal(adjective, bad, evil, injurious) | |
| nocuous(adjective, cruel, negative, unkind) | |
| corrupt(adjective, evil, low, foul, vicious) | |
| insalubrious(adjective, offensive, foul, disgusting) | |
| venomous(adjective, mean, bad, evil, nasty) | |
| fatal(adjective, bad, evil, injurious) | |
| inimical(adjective, offensive, negative, foul, unhealthy) | |
| malefic(adjective, negative, threatening, injurious) | |
| pestilent(adjective, dangerous, fatal, poisonous) | |
| vicious(adjective, mean, bad, evil, nasty) | |
| devastating(adjective, bad, evil, wicked) |
For more, visit
Deleterious on
Power Thesaurus
| APA | Smart Define. (2016). deleterious thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/deleterious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "deleterious thesaurus" https://smartdefine.org/deleterious/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, deleterious thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/deleterious/thesaurus/synonyms>. |
| MLA | Smart Define. "deleterious thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/deleterious/thesaurus/synonyms> |