| idiopath |
| idiopathic | (adj) (of diseases) arising from an unknown cause, Example: idiopathic epilepsy |
| idiopathic disease | (n) any disease arising from internal dysfunctions of unknown cause, Syn. idiopathic disorder, idiopathy |
| Idiopathetic | a. Idiopathic. [ R. ] |
| Idiopathical | |
| Idiopathy | n.; All men are so full of their own fancies and idiopathies, that they scarce have the civility to interchange any words with a stranger. Dr. H. More. [ 1913 Webster ] |