Synonyms of grandiloquent

Adjective

1. grandiloquent, magniloquent, tall, rhetorical (vs. unrhetorical)

usage: lofty in style; "he engages in so much tall talk, one never really realizes what he is saying"

2. grandiloquent, overblown, pompous, pontifical, portentous, pretentious (vs. unpretentious)

usage: puffed up with vanity; "a grandiloquent and boastful manner"; "overblown oratory"; "a pompous speech"; "pseudo-scientific gobbledygook and pontifical hooey"- Newsweek

Definition and meaning of grandiloquent (Dictionary)