1
grandmotherly(adjective, careful, attentive, watchful)
1
groomed
1
guard
1
guarding
1
having foresight(expression, cautious, tactful, circumspect)
1
heads up(expression, sharp, bright, lively, alert)
1
hearkening(adjective, attentive)
1
hep to(expression, adjective, understanding, keen, sensible)
1
hip(sharp, bright, lively, active, alert)
1
hooked(adjective, alert, careful, caring, thoughtful)
1
immunizing
1
in arms
1
in battle array(expression, idiom)
1
in on(expression, adjective, understanding, keen, sensible)
1
in readiness
1
in right mind(expression, adjective, idiom, understanding, keen)
1
in the know(expression, idiom, careful, aware, attentive)
1
in the saddle(expression, idiom)
1
insightful(adjective, understanding, cool, significant, intelligent)
1
intended(adjective, cool, significant, intelligent, brilliant)
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APASmart Define. (2015). vigilant thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/vigilant/thesaurus/synonyms
ChicagoSmart Define. 2015. "vigilant thesaurus" https://smartdefine.org/vigilant/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, vigilant thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/vigilant/thesaurus/synonyms>.
MLASmart Define. "vigilant thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/vigilant/thesaurus/synonyms>