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