299 entries under adjective topic. ×
| evil(mean, nasty, attitude, offensive) | |
| mortal(harmful, dangerous, deadly) | |
| noisome(bad, taste, offensive, awful) | |
| detrimental(mean, bad, nasty, offensive) | |
| hurtful(bad, offensive, cruel, foul) | |
| malevolent(mean, bad, evil, nasty) | |
| mephitic(help, bad, evil, offensive) | |
| septic(unhealthy, harmful, insalubrity) | |
| toxicant(help, harmful) | |
| malign(mean, bad, evil, nasty) | |
| pestilent(unhealthy, harmful, deadly, fatal) | |
| unwholesome(offensive, foul, disgusting, unhealthy) | |
| foul(bad, taste, offensive, awful) | |
| spiteful(mean, evil, nasty, attitude) | |
| unhealthy(offensive, heavy, dirty, foul) | |
| contagious(unhealthy, baneful, communicable) | |
| pestilential(bad, foul, harmful, injurious) | |
| poison(help, bad, evil, offensive) | |
| damaging(bad, evil, offensive, cruel) | |
| infectious |
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Poisonous on
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| APA | Smart Define. (2015). poisonous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/poisonous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "poisonous thesaurus" https://smartdefine.org/poisonous/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, poisonous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/poisonous/thesaurus/synonyms>. |
| MLA | Smart Define. "poisonous thesaurus" 19 August 2015. Web. 28 September 2026. <https://smartdefine.org/poisonous/thesaurus/synonyms> |