harshly uninviting or formidable in manner or appearance; "a dour, self-sacrificing life"; "a forbidding scowl"; "a grim man loving duty more than humanity"; "undoubtedly the grimmest part of him was his iron claw"- J.M.Barrie
impervious to pleas, persuasion, requests, reason; "he is adamant in his refusal to change his mind"; "Cynthia was inexorable; she would have none of him"- W.Churchill; "an intransigent conservative opposed to every liberal tendency"
serving or tending to provoke, excite, or stimulate; stimulating discussion or exciting controversy; "a provocative remark"; "a provocative smile"; "provocative Irish tunes which...compel the hearers to dance"- Anthony Trollope
exciting sexual desire; "her gestures and postures became more wanton and provocative"