Synonyms|572Antonyms|111|Broader|6Narrower|1Related|510

59 entries under understanding topic. ×

2
conversant(adjective, cool, keen, sensible)
2
informed(adjective, keen, sensible, certain)
2
knowing(adjective, keen, sensible, certain)
2
percipient(adjective, cool, keen, sensible)
2
quick(adjective, cool, sharp, bright)
2
with it(expression, keen, sharp, bright)
1
apperceptive(adjective, keen, sensible, certain)
1
apprised(adjective, keen, sensible, certain)
1
assured(adjective, keen, sensible, certain)
1
astute(adjective, cool, significant, intelligent)
1
au courant(expression, adjective, keen, sensible)
1
brainy(adjective, cool, significant, intelligent)
1
certain(adjective, keen, sensible, alert)
1
felt(adjective, keen, sensible, certain)
1
hep to(expression, adjective, keen, sensible)
1
in on(expression, adjective, keen, sensible)
1
in right mind(expression, adjective, idiom, keen)
1
insightful(adjective, cool, significant, intelligent)
1
knowledgeable(adjective, cool, significant, careful)
1
known(adjective, keen, sensible, certain)
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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>