Synonyms of swollen-headed

1 Syllable

smug, vain

2 Syllables

pompous, boastful, galler, cockier, cocky

3 Syllables

immodest, vainglorious, conceity, bigheaded, arrogant, conceited, know-it-all

4 Syllables

self-important, overbearing, hifalutin, self-applauding

5 Syllables

egotistical, self-aggrandizing