Synonyms of big-headedness

1 Syllable
huff, airs
2 Syllables
conceit, disdain, self-love, hauteur, swagger, egoism, hubris, smugness
3 Syllables
pragmatism, loftiness, vainglory, vanities, assumption, snobbery, haughtiness, boastfulness, presumption, self-worship, narcissism, pretension, cockiness, egotism, vanity
4 Syllables
immodesty, patronage, contumely, disdainfulness, superbity, condescension, insolence, pretentiousness
5 Syllables
superciliousness, self-exaltation
6 Syllables
overconfidence