Definition of idioglossia in English:

idioglossia

noun

  • 1Medicine a form of dyslalia characterized by consistent substitution of speech sounds to such a degree that the affected person seems to speaking a language of his or her own.

  • 2(More generally) a personal, private, or invented language.

Origin

Late 19th century. From idio- + -glossia, perhaps after Hellenistic Greek ἰδιόγλωσσος of distinct tongue.

Pronunciation

idioglossia

/ˌɪdɪə(ʊ)ˈɡlɒsɪə/