99 entries under alert topic. ×
| open-eyed(adjective, informal) | |
| penetrative(adjective, understanding, keen, sharp, smart) | |
| practical(adjective, smart, sensible, expert) | |
| questioning(intelligent, perceptive, attentive, watchful) | |
| regardful(intelligent, attentive, watchful, sharp-eyed) | |
| sharp-eyed(intelligent, perceptive, attentive, watchful) | |
| sophic(adjective, understanding, cool, keen, sharp) | |
| stirring(adjective, sharp, energetic, lively, ready) | |
| surveying(intelligent, perceptive, attentive, watchful) | |
| tuned in(expression, adjective, understanding, smooth, keen) | |
| wise to(expression, understanding, keen, sensitive) | |
| clued-in | |
| clued up(expression, aware, clued-in) | |
| gnostic(understanding, keen, sensitive, perceptive) | |
| insighted(understanding, keen, sensitive, perceptive) | |
| on the stick(expression, idiom, aware, clued-in) | |
| on your toes(expression, idiom, aware, clued-in) | |
| reasonable(smart, bright, perceptive, brainy) | |
| with your wits about you(expression, idiom, aware, clued-in) |
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| APA | Smart Define. (2016). quick thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/quick/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "quick thesaurus" https://smartdefine.org/quick/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, quick thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/quick/thesaurus/synonyms>. |
| MLA | Smart Define. "quick thesaurus" 1 April 2016. Web. 22 September 2026. <https://smartdefine.org/quick/thesaurus/synonyms> |