grandiloquence

• He observed that their grandiloquence was not eloquence and that their subtleties were but windy figures of speech. —  Memorials of the Faithful
• After perpetually immolating the Tarquins and the Pisistratids in inflated grandiloquence, they would go to lick the dust off a tyrant's shoes. —  Seekers after God
• His conversation was embellished by high-flown grandiloquence, and he invariably walked upon the heels of his boots. —  The Parish Clerk
• Medina Coeli with Spanish grandiloquence, avowed his willingness to serve as a soldier, under a general whom he so much venerated, while Alva ordered that, in all respects, the same outward marks of respect should be paid to his appointed successor as to himself. —  PG Edition of Netherlands series — Complete
• Promoting the Conversion of the Jews;” and because, instead of being written in plain language, it is adorned with that peculiar style of grandiloquence which is held by some lady novelists to give an antique coloring, and which we recognize at once in such phrases as these: — “the splendid regnal talent, undoubtedly, possessed by the Emperor Nero” — “the expiring scion of a lofty stem” — “the virtuous partner of his couch” — “ah, by Vesta!” — and “I tell thee, Roman.” —  The Essays of "George Eliot" Complete

Roget's II: The New Thesaurus

Used in the Same Context