Synonyms of flamboyantly

2 Syllables
proudly, gaily
3 Syllables
gaudily, pompously, snobbishly, flashily, boastfully, laughingly
4 Syllables
insolently, theatrically, imperiously, disdainfully, arrogantly, conceitedly
5 Syllables
ostentatiously, bombastically, overbearingly, spectacularly
6 Syllables
egotistically