- a combining form meaning “proper to one,” “peculiar,” used in the formation of compound words: idiomorphic.
- indicating peculiarity, isolation, or that which pertains to an individual person or thingidiolect
word-forming element meaning “one’s own, personal, distinct,” from Greek idio-, comb. form of idios “own, personal, private, one’s own” (see idiom).
- One’s own; private; personal:idiosyncrasy.
- Distinct; separate:idioventricular.