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See more synonyms for acquainted on Thesaurus.com
  1. having personal knowledge as a result of study, experience, etc.; informed (usually followed by with): to be acquainted with law.
  2. brought into social contact; made familiar: people acquainted through mutual friends.
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Origin of acquainted

Middle English word dating back to 1250–1300; see origin at acquaint, -ed2
Related formsac·quaint·ed·ness, nounhalf-ac·quaint·ed, adjectivequa·si-ac·quaint·ed, adjectiveun·ac·quaint·ed, adjectivewell-ac·quaint·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for unacquainted

Historical Examples

  • If you happen to be unacquainted with its authentic history, so much the better.

    Other Tales and Sketches

    Nathaniel Hawthorne

  • She felt the awkwardness of being surrounded by people with whom she was unacquainted.

  • His brother; imagining he had gone abroad, was unacquainted with his danger.

    Night and Morning, Complete

    Edward Bulwer-Lytton

  • You can see that he is unacquainted with our little mountains!

    A Hero of Our Time

    M. Y. Lermontov

  • I am unacquainted with the nature of all the papers she received, but I well remember the agony they seemed to inflict on her.

    The Secret Memoirs of Louis XV./XVI, Complete

    Madame du Hausset, an "Unknown English Girl" and the Princess Lamballe

British Dictionary definitions for unacquainted


  1. not familiar or conversant with (someone or something)
  2. (of people) not having met or been introduced
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adjective (postpositive)
  1. (sometimes foll by with) on terms of familiarity but not intimacy
  2. (foll by with) having knowledge or experience (of); familiar (with)
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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

Word Origin and History for unacquainted


1520s, from un- (1) "not" + acquainted.

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early 13c., "personally known;" past participle adjective from acquaint (v.). Of skills, situations, etc., from late 15c.

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Online Etymology Dictionary, © 2010 Douglas Harper