Id′i‐op″a‐thy (?), n.; pl.Idiopathies (#). [Gr. �; ἴδιοσ proper, peculiar + �, �, to suffer: cf. F. idiopathie.] 1. A peculiar, or individual, characteristic or affection.
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.
2. (Med.) A morbid state or condition not preceded or occasioned by any other disease; a primary disease.