203 entries under adjective topic. ×

2
percipient(understanding, cool, keen, sensible)
2
politic(sensible, careful, wise, tight)
2
precise(thoughtful, sober, cautious, responsive)
2
punctilious(careful, thoughtful, sober, attentive)
2
quick(understanding, cool, sharp, bright)
2
reasonable(sensible, wise, practical, cautious)
2
safeguarding
2
sheltering
2
shielding
2
strict
2
suspicious(restrained, alert, careful, hesitant)
2
understanding(keen, sensible, certain, alert)
2
undivided
1
apperceptive(understanding, keen, sensible, certain)
1
apprised(understanding, keen, sensible, certain)
1
assured(understanding, keen, sensible, certain)
1
astute(understanding, cool, significant, intelligent)
1
au courant(expression, understanding, keen, sensible)
1
be up on(careful, cautious, aware, attentive)
1
brainy(understanding, cool, significant, intelligent)
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APASmart Define. (2015). vigilant thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/vigilant/thesaurus/synonyms
ChicagoSmart Define. 2015. "vigilant thesaurus" https://smartdefine.org/vigilant/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, vigilant thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/vigilant/thesaurus/synonyms>.
MLASmart Define. "vigilant thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/vigilant/thesaurus/synonyms>