Search Result for "idiopathic": 
Wordnet 3.0

ADJECTIVE (1)

1. (of diseases) arising from an unknown cause;
- Example: "idiopathic epilepsy"


The Collaborative International Dictionary of English v.0.48:

Idiopathic \Id`i*o*path"ic\, Idiopathical \Id`i*o*path"ic*al\, a. [Cf. F. idiopathique.] (Med.) Pertaining to idiopathy; characterizing a disease arising primarily, and not in consequence of some other disease or injury; -- opposed to symptomatic, sympathetic, and traumatic. -- Id`i*o*path"ic*al*ly, adv. [1913 Webster]
WordNet (r) 3.0 (2006):

idiopathic adj 1: (of diseases) arising from an unknown cause; "idiopathic epilepsy"