"Grandiloquence" means speaking or writing in a way that is overly elaborate, showy, or pompous, often with the intention of impressing others. Full definition
But then, that kind of grandiloquence is usually a way for filmmakers to spray a shiny coat of metal over the same old lie: You're gonna be held in high regard again. (thedissolve.com)
Which makes perfect sense, since the film trades intellectualism for grandiloquence in its sets and neat - for - the - time special effects. (filmfreakcentral.net)
Squirming between wet - cat disdain and an unshakable grandiloquence, Cate Blanchett's performance instantly vaults her into the company of the great film neurotics. (timeout.com)