141 entries under alert topic. ×
| hip(adjective, sharp, bright, lively) | |
| jazzed(sharp, bright, lively, attentive) | |
| on guard(expression, sharp, bright, lively) | |
| perceptive(adjective, open, keen, sharp, bright) | |
| psyched up(expression, sharp, bright, lively) | |
| quick-witted(adjective, keen, sharp, smart, energetic) | |
| sensible(adjective, open, sympathetic, aware) | |
| short-circuit(verb, action, live) | |
| switched on(expression, sharp, bright, lively) | |
| tied-up(verb, action, live) | |
| unfixed(verb, action, live) | |
| wary(sharp, bright, lively, attentive) | |
| wired(sharp, bright, lively, wise) | |
| wise(sharp, bright, lively, aware) | |
| with it(expression, sharp, bright, lively) | |
| with your wits about you(expression, idiom, aware, clued-in) | |
| apprehensive(aware, clued-in) | |
| clued-in | |
| clued up(expression, aware, clued-in) | |
| on the stick(expression, idiom, aware, clued-in) |
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| APA | Smart Define. (2016). active thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/active/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "active thesaurus" https://smartdefine.org/active/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, active thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/active/thesaurus/synonyms>. |
| MLA | Smart Define. "active thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/active/thesaurus/synonyms> |