Definition of idiolect in English:

idiolect

noun

  • The speech habits peculiar to a particular person.

    • ‘Thus, while idiolects (or the speech of individuals) considered in isolation might seem random, the speech community as a whole behaved regularly.’
    • ‘Secondly, and connectedly, it is an attempt at absolute relinquishment of the vantage of a particular sector, class, dialect, jargon, idiolect or diction.’
    • ‘So either these preposterous imitations of English have been produced by infiltrators from some parallel universe, or this is one of those little corners of the language where idiolects differ.’
    • ‘We can all be categorised into a speech community by way of language, professional idiolect, local or acquired dialect, accent or habitual usage.’
    • ‘Our register and our idiom intersect to form our idiolects - the various dialects, if you like, that we can all speak.’
    wording, diction, phrasing, phraseology, style, vocabulary, terminology, expressions, turns of phrase, parlance, manner of speaking, manner of writing, way of talking, form of expression, mode of expression, usages, locutions, idiolect, choice of words, rhetoric, oratory
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Origin

1940s: from idio- own, personal + -lect as in dialect.

Pronunciation:

idiolect

/ˈidēəˌlekt/