| withering | |
| arc | |
| bellicose(adjective, mean, sharp, harsh, cross) | |
| bleak(adjective, severe) | |
| blunt(adjective, severe) | |
| bow | |
| brisk(adjective, severe) | |
| cantankerous(adjective, irritable) | |
| censorious(adjective, severe, speech, unfriendly, bitter) | |
| crabby(adjective, severe, nasty, speech, hostile) | |
| curmudgeonly | |
| devastating | |
| envenomed(adjective, pain, malevolence) | |
| grim(adjective, severe, discourtesy) | |
| grouchy | |
| hot | |
| moxa | |
| pointed(adjective, strong, severe, sharp, nasty) | |
| poisonous | |
| racy(feeling, strong, sharp, powerful, spicy) |
For more, visit
Caustic on
Power Thesaurus
| APA | Smart Define. (2015). caustic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/caustic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "caustic thesaurus" https://smartdefine.org/caustic/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, caustic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/caustic/thesaurus/synonyms>. |
| MLA | Smart Define. "caustic thesaurus" 21 July 2015. Web. 22 September 2026. <https://smartdefine.org/caustic/thesaurus/synonyms> |