'''Secret language''' may refer to: * Cant (language), also known as ''cryptolect'', the jargon or argot of a group, often employed to exclude or mislead people outside the group * Argot, strictly a proper language with its own grammar, used to prevent understanding by outsiders; sometimes ''argot'' is used as a synonym of ''cant'' or ''jargon'' * Sacred language, also called a ceremonial or a ritual language, which is only learned and used by a select initiated group * Cryptophasia, "private languages" of young children, especially twins
== See also == * Cryptography, the practice and study of hidden information * Language game, a system of manipulating spoken words to render them incomprehensible to the untrained ear
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