129 entries under watchful topic. ×

10
wide-awake(adjective, sharp, bright, lively, alert)
8
keen(adjective, understanding, sensible, certain, alert)
7
protective(adjective, careful, thoughtful, sober, attentive)
7
ready(adjective, sharp, bright, excited, lively)
7
sleepless(adjective, alert, careful, restless, disturbed)
6
conscientious(adjective, deliberate, alert, careful, caring)
6
conscious(adjective, understanding, cool, keen, sensible)
6
prepared(adjective, excited, ready, anxious, alert)
5
acute(adjective, alert, careful, perceptive, attentive)
5
agog(adjective, alert, careful, attentive)
5
fussy(adjective, careful, thoughtful, sober, attentive)
5
judicious(adjective, understanding, cool, reasonable, sensible)
5
scrupulous(adjective, complete, careful, sober, whole)
5
sharp-eyed(adjective, alert, intelligent, attentive)
5
thoughtful(adjective, reasonable, sensible, deliberate, restrained)
5
unsleeping(adjective, alert, careful, cautious, disturbed)
4
alive(adjective, cool, alert, significant, intelligent)
4
eagle-eyed(adjective, alert, intelligent, attentive)
4
observing(adjective, understanding, keen, sensible, certain)
4
wise(adjective, understanding, cool, reasonable, sharp)
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APASmart Define. (2015). vigilant thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/vigilant/thesaurus/synonyms
ChicagoSmart Define. 2015. "vigilant thesaurus" https://smartdefine.org/vigilant/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, vigilant thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/vigilant/thesaurus/synonyms>.
MLASmart Define. "vigilant thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/vigilant/thesaurus/synonyms>