[ id-ee-uh-glos-ee-uh, -glaw-see-uh ]
/ ˌɪd i əˈglɒs i ə, -ˈglɔ si ə /
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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.



Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.
Question 1 of 7
Which one of these commonly confused words can act as an adverb or a pronoun?

Origin of idioglossia

1890–95; <Greek idióglōss(os) of distinct or peculiar tongue (idio-idio- + -glōssos, adj. derivative of glôssa tongue) + -ia-ia

OTHER WORDS FROM idioglossia

id·i·o·glot·tic [id-ee-uh-glot-ik], /ˌɪd i əˈglɒt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for idioglossia

/ (ˌɪdɪəʊˈɡlɒsɪə) /


a private language, as invented by a child or between two children, esp twins
a pathological condition in which a person's speech is so severely distorted that it is unintelligible

Word Origin for idioglossia

C19: from Greek idios private, separate + glossa tongue
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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