138 entries under alert topic. ×
| questioning(intelligent, perceptive, attentive, watchful) | |
| solemn(knowledgeable, perceptive, cultured, educated) | |
| surveying(intelligent, perceptive, attentive, watchful) | |
| up on(expression, smart, familiar, wise) | |
| waiting on(expression, keen, anxious, careful) | |
| wired(smart, bright, lively, intelligent) | |
| with eyes peeled(expression, idiom, keen, careful) | |
| with weather eye open(expression, idiom, keen, careful) | |
| zippy(adjective, strong, bright, energetic, lively) | |
| clued-in | |
| clued up(expression, aware, clued-in) | |
| low-key(adjective, sensible, perceptive, ironic) | |
| on the stick(expression, idiom, aware, clued-in) | |
| on your guard(expression, idiom, attentive, watchful) | |
| on your toes(expression, idiom, aware, clued-in) | |
| restrained(adjective, sensible, perceptive, ironic) | |
| soft(adjective, sensible, perceptive, coherent) | |
| with your wits about you(expression, idiom, aware, clued-in) |
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| APA | Smart Define. (2016). sharp thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sharp/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sharp thesaurus" https://smartdefine.org/sharp/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, sharp thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sharp/thesaurus/synonyms>. |
| MLA | Smart Define. "sharp thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/sharp/thesaurus/synonyms> |