bigoted, bulldogged, bullheaded, case-hardened, contrary, deaf, defiant, disobedient, dogged, dogmatic, fanatical, grim, hardheaded, heady, inflexible, insubordinate, intolerant, intractable, irresponsible, lawless, licentious, mulish, mutinous, naughty, obstinate, opinionated, overzealous, persevering, pertinacious, perverse, pigheaded, precipitate, rampant, recalcitrant, refractory, restive, rigid, rogue, self-willed, set, sot, stiff-necked, strong-willed, stubborn, sullen, tenacious, unaccountable, unbridled, unchecked, uncontrolled, uncooperative, uncurbed, undisciplined, ungoverned, unpliable, unregenerate, unreined, unrestrained, unruly, unyielding, wildcat, willful, wrongheaded