213 entries under adjective topic. ×
| fiendish(animal, mean, cruel, vicious) | |
| grim(animal, mean, tough, severe) | |
| roughshod | |
| atrocious | |
| beastly(violent, vicious, fierce, unrestrained) | |
| bloody(harsh, unpleasant, violent, cruel) | |
| dangerous(strong, tough, severe, intense) | |
| inhumane(animal, mean, violent, cruel) | |
| merciless(harsh, violent, cruel, vicious) | |
| sadistic | |
| baleful(harmful, injurious, damaging, deadly) | |
| dire(heavy, fear, acute, harmful) | |
| dreadful(unpleasant, fear, horrible, disagreeable) | |
| formidable(tough, severe, unpleasant, important) | |
| harsh | |
| heartless(harsh, violent, cruel, vicious) | |
| sanguineous(aper, demoniac, murderous, annihilative) | |
| terrible(strong, severe, intense, unpleasant) | |
| unrelenting(animal, mean, harsh, violent) | |
| demoniac(harsh, violent, cruel, vicious) |
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| APA | Smart Define. (2016). fell thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/fell/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fell thesaurus" https://smartdefine.org/fell/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, fell thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fell/thesaurus/synonyms>. |
| MLA | Smart Define. "fell thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/fell/thesaurus/synonyms> |