- Definitions|0
- Thesaurus|444
- Abbreviations|1
338 entries under adjective topic. ×
| laid-back(refined, practical, cultured, urbane) | |
| latched on(expression, alert, familiar, wise) | |
| learned(familiar, knowledgeable, competent, witting) | |
| lettered(familiar, knowledgeable, informed, experienced) | |
| literary(sound, familiar, informed, cultured) | |
| matured(familiar, sophisticated, knowledgeable, skilled) | |
| mondaine(cool, refined, practical, mature) | |
| observant(cool, sensible, familiar, careful) | |
| observative(careful, knowledgeable, cautious, aware) | |
| observing(careful, knowledgeable, cautious, aware) | |
| old(familiar, sophisticated, knowledgeable, skilled) | |
| old hand(expression, familiar, sophisticated, knowledgeable) | |
| omniscient(smart, familiar, brilliant, informed) | |
| on the ball(expression, idiom, smooth, keen) | |
| on the inside(expression, idiom, sharp, smart) | |
| on the job(expression, idiom, careful, aware) | |
| on top of(expression, idiom, sharp, smart) | |
| pansophic(sound, knowledgeable, cultured, educated) | |
| pedantic(sound, knowledgeable, cultured, educated) | |
| penetrating(sharp, smart, intelligent, prudent) |
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| APA | Smart Define. (2015). in the know thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/in_the_know/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "in the know thesaurus" https://smartdefine.org/in_the_know/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, in the know thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/in_the_know/thesaurus/synonyms>. |
| MLA | Smart Define. "in the know thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/in_the_know/thesaurus/synonyms> |