- Definitions|2
- Thesaurus|2k
- Abbreviations|0
97 entries under keen topic. ×
| cunning(adjective, good, smooth, sharp) | |
| good(adjective, excellent, sharp, smart) | |
| logical(adjective, reasonable, sensible, deep) | |
| on the ball(expression, adjective, idiom, smooth) | |
| reasoning(adjective, reasonable, heavy, rational) | |
| slick(adjective, cool, smooth, sharp) | |
| smooth(adjective, sharp, smart, clean) | |
| absorbed(adjective, reasonable, deep, rational) | |
| analytical(adjective, reasonable, deep, rational) | |
| cagey(adjective, good, smooth, sharp) | |
| cogitative(adjective, reasonable, deep, rational) | |
| conscious(adjective, understanding, cool, sharp) | |
| contemplative(adjective, reasonable, deep, rational) | |
| deliberative(adjective, reasonable, deep, rational) | |
| discreet(understanding, alert, sensitive, perceptive) | |
| ear to the ground(expression, adjective, idiom, understanding) | |
| earnest(adjective, reasonable, sensible, deep) | |
| engrossed(adjective, reasonable, deep, rational) | |
| farsighted(adjective, smooth, reasonable, sharp) | |
| foxy(adjective, smooth, sharp, smart) |
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| APA | Smart Define. (2016). brainy thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/brainy/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "brainy thesaurus" https://smartdefine.org/brainy/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, brainy thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/brainy/thesaurus/synonyms>. |
| MLA | Smart Define. "brainy thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/brainy/thesaurus/synonyms> |