refractory

definition: stubbornly resistant to authority or control
example:
speech part: adjective
synonyms: recalcitrant
definition: temporarily unresponsive or not fully responsive to nervous or sexual stimuli
example: the refractory period of a muscle fiber
speech part: adjective
synonyms:
definition: not responding to treatment
example:
speech part: adjective
synonyms: stubborn
definition: lining consisting of material with a high melting point
example:
speech part: noun
synonyms: furnace lining

refractory is explained and pronounced

How refractory is being used?