idiopathic adjective.
[ɪdɪǝ(ʊ)'paƟɪk] M17.[from IDIO- + -PATHY + -IC.]Medicine. Of a disease: not consequent on or symptomatic of another disease; having no known cause.
■ idi'opathy noun (an) idiopathic disease
L17. [TahlilGaran] English Dictionary ▲