IDIOPATHIC; IDIOPATHICAL a.
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.
IDIOTIC; IDIOTICAL a. 2 definitions
Pertaining to, or like, an idiot; characterized by idiocy; foolish; fatuous; as, an idiotic person, speech, laugh, or action.
IDIOTISM n. 2 definitions
An idiom; a form, mode of expression, or signification, peculiar to a language. Scholars sometimes give terminations and idiotisms, suitable to their native language, unto words newly invented. M. Hale.