id·i·o·path·ic 
(ĭd′ē-ə-păthĭk, ĭd′ē-ō-)
(ĭd′ē-ə-păthĭk, ĭd′ē-ō-)adj.
Of, relating to, or designating a disease having no known cause.
id′i·o·pathi·cal·ly adv.
- miscegenational
- miscellanea
- miscellaneous
- miscellaneously
- miscellaneousness
- miscellanist
- miscellany
- mischance
- mischaracterization
- mischaracterize
- mischief
- mischief-maker
- mischief-making
- mischievous
- mischievously
- mischievousness
- miscibility
- miscible
- misclassification
- misclassify
- miscommunication
- misconceive
- misconceiver
- misconception
- misconduct