70 entries under foul topic. ×
| rough(adjective, bad, hard, tough, nasty) | |
| unhealthful(adjective, offensive, disgusting, harmful) | |
| awful(adjective, bad, strong, severe, offensive) | |
| loathsome(adjective, bad, severe, offensive) | |
| offensive(adjective, bad, severe, evil, unpleasant) | |
| unholy(adjective, bad, severe, offensive, awful) | |
| dirty(adjective, bad, hard, rough, nasty) | |
| disgusting(adjective, bad, offensive, unpleasant) | |
| ghastly(adjective, bad, severe, offensive, awful) | |
| hellish(adjective, bad, offensive, unpleasant) | |
| horrid(adjective, bad, severe, offensive, violent) | |
| insalubrious(adjective, offensive, disgusting, harmful) | |
| lousy(adjective, bad, hard, evil, rough) | |
| mephitic(adjective, bad, evil, offensive, corrupt) | |
| outrageous(adjective, bad, severe, offensive, awful) | |
| painful(adjective, bad, tough, severe, offensive) | |
| pestiferous(bad, offensive, disgusting, fatal) | |
| pestilential(offensive, disgusting, injurious, fatal) | |
| poison(adjective, bad, evil, offensive, corrupt) | |
| repellent(adjective, bad, offensive, unpleasant) |
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| APA | Smart Define. (2016). dangerous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/dangerous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "dangerous thesaurus" https://smartdefine.org/dangerous/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, dangerous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/dangerous/thesaurus/synonyms>. |
| MLA | Smart Define. "dangerous thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/dangerous/thesaurus/synonyms> |