48 entries under fatal topic. ×
| damaging(adjective, mean, bad, wrong, severe) | |
| injurious(adjective, person, help, mean, bad) | |
| detrimental(adjective, help, mean, bad, wrong) | |
| destructive(adjective, bad, severe, evil, awful) | |
| pernicious(adjective, bad, cruel, negative, wicked) | |
| deleterious(adjective, help, mean, bad, wrong) | |
| hurtful(adjective, help, mean, bad, wrong) | |
| noxious(adjective, mean, bad, wrong, evil) | |
| toxic(adjective, dangerous, injurious, damaging, deadly) | |
| bad(adjective, person, help, mean, wrong) | |
| baleful(adjective, negative, injurious, damaging, deadly) | |
| evil(adjective, help, mean, bad, wrong) | |
| ruinous(adjective, mean, bad, wrong, evil) | |
| dangerous(adjective, bad, severe, offensive, awful) | |
| baneful(adjective, bad, evil, negative, wicked) | |
| disastrous(adjective, wicked, immoral, dreadful, malicious) | |
| poisonous(adjective, bad, evil, offensive, cruel) | |
| deadly(adjective, bad, evil, cruel, unkind) | |
| catastrophic(adjective, dreadful, unfortunate, injurious, damaging) | |
| lethal(adjective, bad, evil, risky, dangerous) |
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| APA | Smart Define. (2016). harmful thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/harmful/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "harmful thesaurus" https://smartdefine.org/harmful/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, harmful thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/harmful/thesaurus/synonyms>. |
| MLA | Smart Define. "harmful thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/harmful/thesaurus/synonyms> |