| curst(adjective, taste, awful, terrible, apperance) | |
| cussed(adjective, mean, nasty, violent, wild) | |
| cynical | |
| damned(adjective, taste, awful, terrible, apperance) | |
| dead | |
| death-defying(adjective, dangerous) | |
| deathly(adjective, dangerous) | |
| debased | |
| destroying | |
| detestable(adjective, taste, awful, terrible, apperance) | |
| diabolic | |
| diabolical | |
| disagreeable(adjective, bad, nasty, horrible, distasteful) | |
| disdainful | |
| disgraceful(adjective, taste, awful, terrible, apperance) | |
| disgustful(adjective, taste, awful, terrible, apperance) | |
| disgusting(adjective, bad, offensive, foul, vile) | |
| disserviceable | |
| dreadful(adjective, awful, dirty, gloom, badly) | |
| execrable(adjective, taste, awful, terrible, apperance) |
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| APA | Smart Define. (2015). poisonous thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/poisonous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "poisonous thesaurus" https://smartdefine.org/poisonous/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, poisonous thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/poisonous/thesaurus/synonyms>. |
| MLA | Smart Define. "poisonous thesaurus" 19 August 2015. Web. 27 September 2026. <https://smartdefine.org/poisonous/thesaurus/synonyms> |