70 entries under obnoxious topic. ×
| serious(adjective, help, bad, great, severe) | |
| threatening(adjective, strong, hard, tough, severe) | |
| treacherous(adjective, hard, severe, evil, rough) | |
| grave(adjective, help, great, tough, severe) | |
| menacing(adjective, strong, tough, severe, intense) | |
| nasty(adjective, bad, hard, rough, offensive) | |
| ugly(adjective, bad, hard, tough, severe) | |
| wicked(adjective, severe, harsh, delicate, unpleasant) | |
| grievous(adjective, help, great, tough, severe) | |
| ominous(adjective, unpleasant, heavy, cruel, horrible) | |
| evil(adjective, bad, hard, rough, nasty) | |
| forbidding(adjective, harsh, dark, unpleasant, gloomy) | |
| terrible(adjective, bad, strong, hard, severe) | |
| formidable(adjective, hard, tough, severe, evil) | |
| fell(adjective, strong, tough, severe, intense) | |
| vicious(adjective, bad, strong, hard, wrong) | |
| major(adjective, great, tough, severe, unpleasant) | |
| noisome(adjective, bad, evil, offensive, unpleasant) | |
| rough(adjective, bad, hard, tough, nasty) | |
| troublesome(adjective, hard, severe, evil, rough) |
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| APA | Smart Define. (2016). dangerous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/dangerous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "dangerous thesaurus" https://smartdefine.org/dangerous/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, dangerous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/dangerous/thesaurus/synonyms>. |
| MLA | Smart Define. "dangerous thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/dangerous/thesaurus/synonyms> |