Meaning of refractory
Definition of refractory
(adj)
not responding to treatment; "a stubborn infection"; "a refractory case of acne"; "stubborn rust stains"
temporarily unresponsive or not fully responsive to a process or stimulus; "the refractory period of a muscle fiber"
stubbornly resistant to authority or control; "a fractious animal that would not submit to the harness"; "a refractory child"