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" 同义词:ascetic, ascetical, spartan,
of a stern or strict bearing or demeanor; forbidding in aspect; "an austere expression"; "a stern face" 同义词:stern,