| bragging(aloof, pretentious, arrogant, vain, exultant) | |
| bumptious | |
| busybody | |
| chesty | |
| clever dick | |
| cold-shoulder(aloof, pretentious, haughty, cavalier, conceited) | |
| cool(aloof, pretentious, haughty, cavalier, conceited) | |
| good | |
| loudmouth(noun, braggart) | |
| narcist | |
| no modest violet(expression, idiom) | |
| obtrusive | |
| on an ego trip(expression, idiom, aloof, pretentious, cavalier) | |
| over smart | |
| overwise | |
| peacockish | |
| peacocky | |
| perky | |
| presumptuous(certain, aloof, sure, pretentious, self-assured) | |
| ranter(noun, brag, peacock, braggart, hotshot) |
For more, visit
Know-it-all on
Power Thesaurus
| APA | Smart Define. (2015). know-it-all thesaurus. Retrieved September 25, 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 25, 2026). |
| Harvard | Smart Define 2015, know-it-all thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/know-it-all/thesaurus/synonyms>. |
| MLA | Smart Define. "know-it-all thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/know-it-all/thesaurus/synonyms> |