(a.) Not governable; not capable of being governed, ruled, or restrained; licentious; wild; unbridled; as, ungovernable passions.

beyond control breachy contumacious defiant disobedient fractious incorrigible indocile indomitable insuppressible intractable irrepressible obstreperous out of hand rebellious recalcitrant refractory resistant resisting restive shrewish unbiddable uncontrollable unmalleable unmanageable unmoldable unruly unsubmissive wild