- Definitions|2
- Thesaurus|2.1k
- Abbreviations|0
68 entries under harmful topic. ×
| catastrophic(adjective, sad, awful, painful, suffering) | |
| pestilential(adjective, help, bad, evil) | |
| calamitous(adjective, sad, painful, suffering, dreadful) | |
| damaging(adjective, bad, evil, cruel, unkind) | |
| hurtful(adjective, bad, evil, cruel, unkind) | |
| dire(adjective, awful, terrible, horrible, painful) | |
| internecine(adjective, killing, injurious, damaging) | |
| corrupting(distressing, damaging, inexpedience, poisonous) | |
| evil(adjective, bad, cruel, unkind, distressing) | |
| mischievous(offensive, cruel, foul, disgusting, unkind) | |
| nocuous(adjective, cruel, unkind, distressing) | |
| unwholesome(adjective, offensive, foul, disgusting, unhealthy) | |
| cataclysmic(adjective, sad, awful, painful, suffering) | |
| cutthroat(noun, adjective, unpleasant, grim, savage) | |
| pestiferous(adjective, bad, evil, injurious) | |
| cancerous(adjective, injurious, damaging, fatal) | |
| consumptive(adjective, injurious, damaging, fatal) | |
| disadvantageous(cruel, unkind, distressing, upsetting) | |
| distressing(cruel, unkind, upsetting, damaging) | |
| fell(adjective, unpleasant, heavy, grim, acute) |
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| APA | Smart Define. (2016). deadly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/deadly/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "deadly thesaurus" https://smartdefine.org/deadly/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, deadly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/deadly/thesaurus/synonyms>. |
| MLA | Smart Define. "deadly thesaurus" 26 March 2016. Web. 23 September 2026. <https://smartdefine.org/deadly/thesaurus/synonyms> |