Synonyms and related words :
balking, balky, bigoted, bulldogged, bulletheaded, bullheaded, case-hardened, contrary, contumacious, determined, difficult, disobedient, dogged, dogmatic, fanatic, forceful, froward, hardheaded, headstrong, heady, incorrigible, indisciplined, insubordinate, intolerant, intractable, irresponsible, lawless, licentious, mulish, mutinous, naughty, nonconforming, obstinate, opinionated, overzealous, persevering, pertinacious, perverse, pigheaded, rampant, recalcitrant, recusant, refractory, reinless, restive, set, stiff-necked, strong-willed, strongheaded, stubborn, sulky, sullen, tenacious, transgressive, unaccountable, unbridled, unchecked, uncomplying, uncontrollable, uncontrolled, uncooperative, uncurbed, undisciplined, unduteous, undutiful, ungovernable, ungoverned, unmanageable, unregenerate, unreined, unrestrained, unruly, vexatious, violative, wayward, wildcat, willful