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[fuh-mil-ee-ar-i-tee, -mil-yar-] /fəˌmɪl iˈær ɪ ti, -mɪlˈyær-/
noun, plural familiarities.
thorough knowledge or mastery of a thing, subject, etc.
the state of being familiar; friendly relationship; close acquaintance; intimacy.
an absence of ceremony and formality; informality.
freedom of behavior justified only by the closest relationship; undue intimacy.
Often, familiarities. an instance of such freedom, as in action or speech.
a sexual liberty or impropriety.
Origin of familiarity
1350-1400; Middle English familiarite (< Anglo-French) < Latin familiāritās intimacy. See familiar, -ity
Related forms
overfamiliarity, noun
prefamiliarity, noun
3. unconstraint. 4. liberty, freedom, license. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for familiarity
Contemporary Examples
Historical Examples
  • There was no familiarity of manner there; the clerks liked him, but they had to defer to him and obey him.

    The Channings Mrs. Henry Wood
  • And his carelessness might have been due to the familiarity of the trail to the pool.

    White Fang Jack London
  • Just a touch of familiarity was the sole indication that we were not grown men.

    Wilfrid Cumbermede George MacDonald
  • I had often called her by her Christian name, but she had never accepted the familiarity.

    Wilfrid Cumbermede George MacDonald
  • In order to prove this, let us consider the evils produced by this familiarity.

    The History of Louisiana Le Page Du Pratz
British Dictionary definitions for familiarity


noun (pl) -ties
reasonable knowledge or acquaintance, as with a subject or place
close acquaintanceship or intimacy
undue intimacy
(sometimes pl) an instance of unwarranted intimacy
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
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Word Origin and History for familiarity

c.1200, from Old French familiarite and directly from Latin familiaritatem (nominative familiaritas) "intimacy, friendship," from familiaris "friendly, intimate" (see familiar). Meaning "undue intimacy" is from late 14c. That of "close acquaintance" is from c.1600.

Online Etymology Dictionary, © 2010 Douglas Harper
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