338 entries under adjective topic. ×

1
laid-back(refined, practical, cultured, urbane)
1
latched on(expression, alert, familiar, wise)
1
learned(familiar, knowledgeable, competent, witting)
1
lettered(familiar, knowledgeable, informed, experienced)
1
literary(sound, familiar, informed, cultured)
1
matured(familiar, sophisticated, knowledgeable, skilled)
1
mondaine(cool, refined, practical, mature)
1
observant(cool, sensible, familiar, careful)
1
observative(careful, knowledgeable, cautious, aware)
1
observing(careful, knowledgeable, cautious, aware)
1
old(familiar, sophisticated, knowledgeable, skilled)
1
old hand(expression, familiar, sophisticated, knowledgeable)
1
omniscient(smart, familiar, brilliant, informed)
1
on the ball(expression, idiom, smooth, keen)
1
on the inside(expression, idiom, sharp, smart)
1
on the job(expression, idiom, careful, aware)
1
on top of(expression, idiom, sharp, smart)
1
pansophic(sound, knowledgeable, cultured, educated)
1
pedantic(sound, knowledgeable, cultured, educated)
1
penetrating(sharp, smart, intelligent, prudent)
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APASmart Define. (2015). in the know thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/in_the_know/thesaurus/synonyms
ChicagoSmart Define. 2015. "in the know thesaurus" https://smartdefine.org/in_the_know/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, in the know thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/in_the_know/thesaurus/synonyms>.
MLASmart Define. "in the know thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/in_the_know/thesaurus/synonyms>