107 entries under severe topic. ×
| hostile(adjective, mean, evil, sharp) | |
| intense(adjective, strong, sharp, nasty) | |
| rancorous(adjective, nasty, speech, hostile) | |
| stern | |
| sullen(adjective, mean, sharp, nasty) | |
| bleak | |
| blunt | |
| brisk | |
| censorious(adjective, speech, unfriendly, bitter) | |
| crabby(adjective, nasty, speech, hostile) | |
| grim(adjective, discourtesy) | |
| pointed(adjective, strong, sharp, nasty) | |
| resentful(adjective, nasty, hostile, sulky) | |
| rigorous | |
| austere(adjective, mean, sharp, nasty) | |
| cool | |
| demanding | |
| dour | |
| exacting | |
| fierce(adjective, mean, strong, sharp) |
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| APA | Smart Define. (2015). caustic thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/caustic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "caustic thesaurus" https://smartdefine.org/caustic/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, caustic thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/caustic/thesaurus/synonyms>. |
| MLA | Smart Define. "caustic thesaurus" 21 July 2015. Web. 25 September 2026. <https://smartdefine.org/caustic/thesaurus/synonyms> |