521 entries under adjective topic. ×
| rapid(keen, sharp, intense, energetic) | |
| savvy(understanding, keen, sharp, smart) | |
| scrutinizing | |
| unsleeping(keen, careful, restless, cautious) | |
| up(conscious, wide-awake, wakeful) | |
| with it(expression, understanding, keen, sharp) | |
| acquainted(understanding, keen, sensible, certain) | |
| agog(strong, keen, intense, enthusiastic) | |
| appreciative(familiar, wise, knowledgeable, responsive) | |
| apprehensive(deliberate, excited, ready, anxious) | |
| apprised(understanding, keen, sensible, certain) | |
| au courant(expression, understanding, keen, sensible) | |
| au fait(expression, familiar, skilled, competent) | |
| avid(strong, intense, energetic, enthusiastic) | |
| bold(keen, sharp, smart, bright) | |
| breathless(strong, intense, enthusiastic, powerful) | |
| busy(moving, keen, intense, energetic) | |
| cheerful(keen, bright, happy, energetic) | |
| clear(good, pleasant, keen, bright) | |
| conversant(understanding, keen, sensible, certain) |
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| APA | Smart Define. (2016). alert thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/alert/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "alert thesaurus" https://smartdefine.org/alert/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, alert thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/alert/thesaurus/synonyms>. |
| MLA | Smart Define. "alert thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/alert/thesaurus/synonyms> |