- Definitions|0
- Thesaurus|44
- Abbreviations|0
| high and mighty(adjective, person) | |
| in love with oneself(adjective, person, selfish) | |
| over smart | |
| self-admiring(adjective, person, selfish) | |
| self-centered(adjective, person) | |
| self-loving(adjective, person, selfish) | |
| self-obsessed(adjective, person, selfish) | |
| self-regarding(adjective, person, selfish) | |
| self-satisfied(adjective, person) | |
| smug(adjective, person) | |
| snobbish(adjective, person) | |
| snotty(adjective, person) | |
| supercilious(adjective, person) | |
| too big for one's britches(adjective, person) | |
| uppity(adjective, person) | |
| swell-headed | |
| swollen-headed |
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| APA | Smart Define. (2016). big-headed thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/big-headed/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "big-headed thesaurus" https://smartdefine.org/big-headed/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, big-headed thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/big-headed/thesaurus/synonyms>. |
| MLA | Smart Define. "big-headed thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/big-headed/thesaurus/synonyms> |