cryptophasia

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noun

The development by twins (identical or fraternal) of a language that only they can understand.

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Meanings

nouncryptophasia (uncountable)
  1. uncountableThe development by twins (identical or fraternal) of a language that only they can understand.

    Whether it's called cryptophasia, idioglossia, autonomous language, or plain ol' twin talk, the secret language among twins has long been a source of fascination to both parents and researchers alike. According to twin statistics ...

    2006, Karen Gottesman, Raising Twins After the First Year: Everything You Need to Know about Bringing Up Twins - From Toddlers to Preteens, Da Capo Press, →ISBN, page 84

Synonyms & antonyms

Also see
idioglossia

Origin

From Ancient Greek κρυπτός (kruptós, “hidden”) + -φασία (-phasía, “speech”) (from φάσις (phásis, “utterance”), from φημί (phēmí, “I speak”)). Equivalent to crypto- + -phasia.

Full word history & related roots →
Cite this entry
APA

cryptophasia. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/cryptophasia

MLA

“cryptophasia.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cryptophasia. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “cryptophasia,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/cryptophasia.

Source: cryptophasia on Wiktionary, CC BY-SA 4.0.