- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
136 entries under alert topic. ×
| keen(adjective, understanding, sensible, certain) | |
| on the alert(expression, adjective, idiom, care) | |
| ready(adjective, sharp, bright, excited, lively) | |
| sleepless(adjective, careful, restless, disturbed) | |
| conscientious(adjective, deliberate, careful, caring) | |
| conscious(adjective, understanding, cool, keen, sensible) | |
| prepared(adjective, excited, ready, anxious) | |
| acute(adjective, careful, perceptive, attentive) | |
| agog(adjective, careful, attentive, watchful) | |
| judicious(adjective, understanding, cool, reasonable, sensible) | |
| sharp-eyed(adjective, intelligent, attentive, watchful) | |
| thoughtful(adjective, reasonable, sensible, deliberate, restrained) | |
| unsleeping(adjective, careful, cautious, disturbed) | |
| active(adjective, sharp, bright, lively) | |
| alive(adjective, cool, significant, intelligent) | |
| eagle-eyed(adjective, intelligent, attentive, watchful) | |
| observing(adjective, understanding, keen, sensible, certain) | |
| wise(adjective, understanding, cool, reasonable, sharp) | |
| all ears(expression, adjective, sharp, bright, lively) | |
| cagey(adjective, sharp, bright, sensible, lively) |
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| APA | Smart Define. (2015). vigilant thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/vigilant/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "vigilant thesaurus" https://smartdefine.org/vigilant/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, vigilant thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/vigilant/thesaurus/synonyms>. |
| MLA | Smart Define. "vigilant thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/vigilant/thesaurus/synonyms> |