contrary

adverse, negative, unfavorable

antagonistic, antipathetic, counter, cross, hostile

converse, inverse, obverse, reverse

alien, disparate, dissimilar, divergent, unalike, unlike

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