Synonyms of bombastically

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