idiolect

n. personal language or speech of an individual person during a specific time in life

An idiolect is a variety of a language unique to an individual. It is manifested by patterns of word selection and grammar, or words, phrases, idioms, or pronunciations that are unique to that individual. Every individual has an idiolect; the grouping of words and phrases is unique, rather than an individual using specific words that nobody else uses. An idiolect can easily evolve into an ecolect—a  dialect variant specific to a household.
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Noun
1. the language or speech of one individual at a particular period in life
(hypernym) speech, speech communication, spoken communication, spoken language, language, voice communication, oral communication

n. ideolect, variety of a language unique to an individual

idiolect
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