refractory
adjective(re-frac-to-ry)
resisting control or authority : stubborn, unmanageable
refractory
adjective(re-frac-to-ry)
resistant to treatment or cure
refractory
adjective(re-frac-to-ry)
unresponsive to stimulus
refractory
noun(re-frac-to-ry)
a refractory person or thing; especially : a heat-resisting ceramic material
refractory
noun(re-frac-to-ry)
the brief period immediately following the response especially of a muscle or nerve before it recovers the capacity to make a second response —called also refractory phase