- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
203 entries under adjective topic. ×
| awake(understanding, cool, reasonable, keen) | |
| chary(reasonable, sensible, deliberate, restrained) | |
| on the ball(expression, idiom, sharp, bright) | |
| wide-awake(sharp, bright, lively, alert) | |
| jealous | |
| keen(understanding, sensible, certain, alert) | |
| provident(sensible, careful, thoughtful, sober) | |
| on the alert(expression, idiom, care, alert) | |
| protective(careful, thoughtful, sober, attentive) | |
| ready(sharp, bright, excited, lively) | |
| sleepless(alert, careful, restless, disturbed) | |
| conscientious(deliberate, alert, careful, caring) | |
| conscious(understanding, cool, keen, sensible) | |
| discreet(sensible, restrained, careful, thoughtful) | |
| intent(feature, characteristic, complete, detail) | |
| nimble(smart, dexterous) | |
| prepared(excited, ready, anxious, alert) | |
| acute(alert, careful, perceptive, attentive) | |
| agog(alert, careful, attentive, watchful) | |
| argus-eyed |
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| APA | Smart Define. (2015). vigilant thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/vigilant/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "vigilant thesaurus" https://smartdefine.org/vigilant/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, vigilant thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/vigilant/thesaurus/synonyms>. |
| MLA | Smart Define. "vigilant thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/vigilant/thesaurus/synonyms> |