- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
203 entries under adjective topic. ×
| fussy(careful, thoughtful, sober, attentive) | |
| judicious(understanding, cool, reasonable, sensible) | |
| prompt(responsive, early) | |
| scrupulous(complete, careful, sober, whole) | |
| sharp-eyed(alert, intelligent, attentive, watchful) | |
| thoughtful(reasonable, sensible, deliberate, restrained) | |
| unsleeping(alert, careful, cautious, disturbed) | |
| wide awake(expression, idiom, sharp, bright) | |
| active(sharp, bright, lively, alert) | |
| alive(cool, alert, significant, intelligent) | |
| diligent | |
| eagle-eyed(alert, intelligent, attentive, watchful) | |
| observing(understanding, keen, sensible, certain) | |
| shrewd(sensible, careful, wise, tight) | |
| thorough(complete, thoughtful, sober, whole) | |
| wise(understanding, cool, reasonable, sharp) | |
| absorbed | |
| all ears(expression, sharp, bright, lively) | |
| brisk | |
| cagey(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> |