"Bombastical" is a word in ENGLISH

Characterized by rhetorical display; pretentiously rhetorical; without solid sense or argument; bombastic; noisy; as, a declamatory way or style.

Characterized by affectation of grandeur or splendor; flaunting; turgid; bombastic; -- in a bad sense; as, a grandiose style.

Characterized by a pretentious, boastful, exaggerated style; defiantly or extravagantly bombastic; as, a spread-eagle orator; a spread-eagle speech.