adj. 25B6; adjective
intractable problems : UNMANAGEABLE, uncontrollable, difficult, awkward, troublesome, demanding, burdensome.
an intractable man : STUBBORN, obstinate, obdurate, inflexible, unadaptable, unbending, unyielding, uncompromising, unaccommodating, uncooperative, difficult, awkward, perverse, contrary, pig-headed; N. Amer. rock-ribbed; informal stiff-necked.
manageable, compliant.