grandiloquent, magniloquent, tall -- (lofty in style; "he engages in so much tall talk, one never really realizes what he is saying")
grandiloquent, overblown, pompous, pontifical, portentous -- (puffed up with vanity; "a grandiloquent and boastful manner"; "overblown oratory"; "a pompous speech"; "pseudo-scientific gobbledygook and pontifical hooey"- Newsweek)
(Sound)
