froward

defiant, disrespectful, ill-mannered, ill-natured, impolite, improper, impudent, indecorous, insolent, rude, uncouth, unmannerly

disobedient, headstrong, intractable, obstreperous, recalcitrant, refractory, transgressing, unruly, untoward, willful (or wilful)

balky, restive, uncontrollable, ungovernable, wayward, wild

elfish, impish, knavish, monkeying, monkeyish, ornery, pixieish, prankish, rascally, roguish, waggish

disorderly, rowdy

babyish, childish, immature, infantile, jejune, juvenile, kiddish, puerile

noncooperative, uncooperative

insurgent, mutinous

adamant, adamantine, dogged, hardheaded, headstrong, immovable, implacable, inflexible, mulish, obdurate, obstinate, opinionated, peevish, pertinacious, pigheaded, rigid, self-willed, stubborn, unbending, uncompromising, unrelenting, unyielding

fractious, restive, uncontrollable, unmanageable, wild

perverse, resistant, wrongheaded

bad, disorderly, errant, misbehaving, mischievous, naughty

undisciplined

discourteous, disrespectful, ill-bred, ill-mannered, ill-natured, impertinent, impolite, impudent, inconsiderate, insolent, ornery, rude, uncivil, uncouth, ungracious, unmannerly

bullheaded, contrary, difficult, hardheaded, incorrigible, intransigent, mulish, obdurate, obstinate, opinionated, perverse, pigheaded, self-willed, stiff, stiff-necked, stubborn

undisciplined, unpunished

uncontrolled, wild

boisterous, irrepressible, rambunctious, rowdy

disobedient, insubordinate, rebellious