- Definitions|0
- Thesaurus|444
- Abbreviations|1
338 entries under adjective topic. ×
| having something on the ball(expression, idiom, sophisticated, knowledgeable) | |
| heady(smooth, keen, sharp, smart) | |
| highbrow(knowledgeable, intellectual, cultured, learned) | |
| hip to(expression, cool, sensible, familiar) | |
| in on(expression, cool, sensible, familiar) | |
| in to(expression, familiar, wise, knowledgeable) | |
| ingenious(smooth, keen, sharp, smart) | |
| inside(sharp, smart, intelligent, prudent) | |
| instructed(familiar, sophisticated, knowledgeable, skilled) | |
| intellectual(sound, knowledgeable, cultured, learned) | |
| introduced(familiar, knowledgeable, aware, savvy) | |
| jaded(refined, practical, cultured, urbane) | |
| jet-set(cool, refined, practical, mature) | |
| judicious(smooth, keen, sharp, smart) | |
| keen(smooth, sharp, smart, wise) | |
| kept posted(expression, familiar, knowledgeable, witting) | |
| know-how(alert, familiar, wise, knowledgeable) | |
| know all the answers(expression, idiom, careful, aware) | |
| know ins and outs(expression, idiom, careful, aware) | |
| knowing the score(expression, idiom, sophisticated, knowledgeable) |
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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> |