Synonyms and related words :
balking, balky, bigoted, bulldogged, bulletheaded, bullheaded, case-hardened, disobedient, dogged, dogmatic, fanatic, hardheaded, heady, insubordinate, intolerant, irresponsible, lawless, licentious, mulish, mutinous, obstinate, opinionated, overzealous, persevering, pertinacious, pigheaded, rampant, refractory, reinless, restive, self-willed, set, stiff-necked, strong-willed, strongheaded, stubborn, sulky, sullen, tenacious, unaccountable, unbridled, unchecked, uncontrolled, uncooperative, uncurbed, undisciplined, ungoverned, unregenerate, unreined, unrestrained, wildcat, willful, wrongheaded