98 entries under injurious topic. ×
| inimical(adjective, person, unfriendly, antagonistic, contrary) | |
| poisonous(adjective, bad, evil, offensive, cruel) | |
| malign(adjective, hurtful) | |
| deadly(adjective, bad, evil, cruel, unkind) | |
| mischievous(adjective, help, offensive, negative, foul) | |
| catastrophic(adjective, dreadful, unfortunate, damaging) | |
| fatal(adjective, bad, evil, dreadful, dangerous) | |
| virulent(adjective, unhealthy, hurtful, noxious) | |
| ill(adjective, help, mean, bad, evil) | |
| lethal(adjective, bad, evil, risky, dangerous) | |
| malicious(adjective, bad, cruel, corrupt) | |
| nocuous(adjective, cruel, negative, unkind, dangerous) | |
| painful(adjective, bad, severe, offensive, awful) | |
| nasty(adjective, person, bad, evil, offensive) | |
| calamitous(adjective, severe, awful, terrible, wicked) | |
| insalubrious(adjective, offensive, unpleasant, foul, disgusting) | |
| noisome(adjective, bad, evil, offensive, foul) | |
| sinister(adjective, bad, evil, nasty) | |
| risky(adjective, severe, rude, awful, terrible) | |
| unsafe(adjective, risky, dangerous, damaging) |
For more, visit
Harmful on
Power Thesaurus
| APA | Smart Define. (2016). harmful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/harmful/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "harmful thesaurus" https://smartdefine.org/harmful/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, harmful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/harmful/thesaurus/synonyms>. |
| MLA | Smart Define. "harmful thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/harmful/thesaurus/synonyms> |