59 entries under noun topic. ×
| brain(person, informal, intellectual, wiseacre) | |
| saucebox(good, informal) | |
| witling(good, person) | |
| blusterer(brag, peacock, braggart, hotshot) | |
| boaster(fool, bore, brag, peacock) | |
| braggadocio(brag, peacock, braggart, hotshot) | |
| gascon(fool, bore, brag, peacock) | |
| grandstander(brag, peacock, braggart, hotshot) | |
| smartass(slang, cunning, intellect) | |
| blatherskite(brag, peacock, hotshot, boaster) | |
| swaggerer(brag, peacock, braggart, hotshot) | |
| big-timer(brag, peacock, braggart, hotshot) | |
| big talker(expression, fool, bore, brag) | |
| bigmouth(fool, bore, brag, peacock) | |
| blower | |
| blowhard(fool, bore, brag, peacock) | |
| bluffer | |
| brag(peacock, braggart, hotshot, boaster) | |
| egghead(intellectual, brain) | |
| hotshot(adjective, certain, sure, brag) |
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| APA | Smart Define. (2015). know-it-all thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/know-it-all/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "know-it-all thesaurus" https://smartdefine.org/know-it-all/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, know-it-all thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/know-it-all/thesaurus/synonyms>. |
| MLA | Smart Define. "know-it-all thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/know-it-all/thesaurus/synonyms> |