puffed up with vanity; "a grandiloquent and boastful manner"; "overblown oratory"; "a pompous speech"; "pseudo-scientific gobbledygook and pontifical hooey"- Newsweek
lofty in style; "he engages in so much tall talk, one never really realizes what he is saying"
practicing great self-denial; "Be systematically ascetic...do...something for no other reason than that you would rather not do it"- William James; "a desert nomad's austere life"; "a spartan diet"; "a spartan existence"
pertaining to or characteristic of an ascetic or the practice of rigorous self-discipline; "ascetic practices"