Synonyms of megalomaniac

2 Syllables
pompous, stuck-up, selfish
3 Syllables
self-loving, vainglorious, self-serving, egoistic, conceited
4 Syllables
egotistic, self-concerned, self-centered, self-absorbed, self-indulgent, egoistical, egocentric, narcissistic
5 Syllables
egotistical, egomaniacal, self-interested, individualist
6 Syllables
individualistic