Synonyms of high-falutin'

1 Syllable
royal, vast, grand
2 Syllables
flamboyant, lofty, noble, lordly, purple, high-flown, pompous, fustian, splashy, august, showy, cosmic
3 Syllables
ambitious, majestic, affected, pretentious, bombastic, grandiose, stately, imposing
4 Syllables
egotistic, monumental, ostentatious, impressive, magnificent, overwhelming
5 Syllables
unfathomable