Synonyms of big-headed

1 Syllable
vain
2 Syllables
snippy, haughty, snotty, pompous, stuck-up, boastful, snooty, cocky
3 Syllables
pretentious, uppity, arrogant, conceited
4 Syllables
egotistic, condescending, patronizing, high-and-mighty, ostentatious, hoity-toity, hifalutin, self-applauding
5 Syllables
self-aggrandizing