Definitions for "Grandiloquent"
Speaking in a lofty style; pompous; bombastic.
lofty in style; "he engages in so much tall talk, one never really realizes what he is saying"
puffed up with vanity; "a grandiloquent and boastful manner"; "overblown oratory"; "a pompous speech"; "pseudo-scientific gobbledygook and pontifical hooey"- Newsweek