146 entries under deep topic. ×
| caustic(adjective, feeling, strong, severe, sharp) | |
| trenchant(adjective, feeling, strong, sharp, intense) | |
| anxious(adjective, strong, kind, warm, intense) | |
| fervid(adjective, clear, strong, tough, severe) | |
| hot(adjective, good, strong, cool, great) | |
| passionate(adjective, strong, sharp, warm, intense) | |
| pointed(adjective, strong, severe, sharp, fine) | |
| earnest(adjective, strong, kind, reasonable, warm) | |
| strong(adjective, feeling, great, severe, sharp) | |
| exquisite(adjective, good, strong, great, excellent) | |
| quick-witted(adjective, strong, sharp, ability, smart) | |
| agog(adjective, strong, desire, concern, warm) | |
| fierce(adjective, clear, strong, tough, severe) | |
| energetic(adjective, good, clear, strong, pleasant) | |
| excited(adjective, warm, passionate, enthusiastic, sympathetic) | |
| impatient(adjective, strong, kind, desire, concern) | |
| lively(adjective, good, clear, feeling, strong) | |
| observant(adjective, understanding, strong, sharp, smart) | |
| vehement(adjective, clear, strong, tough, severe) | |
| warm(adjective, feeling, strong, concern, intense) |
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| APA | Smart Define. (2016). keen thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/keen/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "keen thesaurus" https://smartdefine.org/keen/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, keen thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/keen/thesaurus/synonyms>. |
| MLA | Smart Define. "keen thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/keen/thesaurus/synonyms> |