flinty, unflappable, stoic, imperturbable, indomitable, coltish, implacable, unflinching, fearless, feisty, grit, tenacious, unbending, unerring, stolid, resolute, stoical, imperious, winsome, unblinking, doughty, saturnine, uncompromising, ruthless, undemonstrative, taciturn, irrepressible, unshowy, unyielding, assuredness, pugnacious, beguiling, cunning, unfaltering, cocksure, gruff, sphinxlike, machinelike, leonine, masterly, peerless, canny, unswerving, deadpan, careworn, dauntless, unwavering, guileless, brash, gritty, unsentimental, lantern jaw, wry, flappable, gutsy, puppyish, seraphic, laconic, impassive, impish, unemotional, vulpine, demure, boyish, impetuous, unflagging, ferocious, masterful, genial, unshakable, suave, unshakeable, preternatural, wily, unsmiling, squinty, deft, pixieish, limpid, scatty, indefatigable, hangdog, nerveless, sullen, bubbliness, plainspoken, patrician, debonair, sinewy, sardonic, insouciant, youthful, chameleonic, quavery, unruffled, inexpressive, impeccable, girlish, rawboned, brusque, tenderhearted, motherly, brassy, serene, unnaturally, calm, silvery, menacing, deadened, pearly, placid, quizzical, defiant, frigid, languid, unmoved, unseeing

hard