Synonyms and related words :
beyond control, breachy, contumacious, defiant, fractious, incorrigible, indocile, indomitable, intractable, irrepressible, obstreperous, out of hand, recalcitrant, refractory, resistant, resisting, restive, shrewish, unbiddable, uncontrollable, ungovernable, unmalleable, unmanageable, unmoldable, unruly, unsubmissive, wild