104 entries under foul topic. ×
| poison(adjective, help, bad, evil, offensive) | |
| damaging(adjective, bad, evil, offensive, cruel) | |
| mischievous(adjective, mean, bad, evil, nasty) | |
| vile(adjective, taste, awful, violent, terrible) | |
| corrupt(adjective, offensive, unhealthy, harmful) | |
| icky(adjective, bad, nasty, offensive, awful) | |
| insalubrious(adjective, offensive, disgusting, unhealthy) | |
| pestiferous(adjective, bad, offensive, disgusting) | |
| nauseating(adjective, bad, taste, offensive, awful) | |
| obnoxious(adjective, bad, taste, nasty, offensive) | |
| rancid(adjective, awful, dirty, gloom) | |
| rotten(adjective, bad, nasty, violent, heavy) | |
| sickening(adjective, bad, taste, offensive, awful) | |
| yucky(adjective, bad, nasty, offensive, awful) | |
| horrid(adjective, bad, taste, offensive, awful) | |
| malodorous(adjective, bad, offensive, heavy) | |
| putrid(adjective, taste, awful, violent, terrible) | |
| repulsive(adjective, bad, nasty, offensive, awful) | |
| severe(adjective, bad, offensive, revolting) | |
| fetid(adjective, bad, offensive, disgusting) |
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| APA | Smart Define. (2015). poisonous thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/poisonous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "poisonous thesaurus" https://smartdefine.org/poisonous/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, poisonous thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/poisonous/thesaurus/synonyms>. |
| MLA | Smart Define. "poisonous thesaurus" 19 August 2015. Web. 30 September 2026. <https://smartdefine.org/poisonous/thesaurus/synonyms> |