/ Dictionary / Index I idioglossia: Meaning and Definition of Find definitions for: id•i•o•glos•si•a Pronunciation: (id"ē-u-glos'ē-u, -glô'sē-u), [key] — n. a private form of speech invented by one child or by children who are in close contact, as twins. a pathological condition characterized by speech so distorted as to be unintelligible. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. idiodynamics idiograph Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language