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[frat-er-nahyz] /ˈfræt ərˌnaɪz/
verb (used without object), fraternized, fraternizing.
to associate in a fraternal or friendly way.
to associate cordially or intimately with natives of a conquered country, enemy troops, etc.
verb (used with object), fraternized, fraternizing.
Archaic. to bring into fraternal association or sympathy.
Also, especially British, fraternise.
Origin of fraternize
1605-15; < French fraterniser < Medieval Latin frāternizāre. See fraternal, -ize
Related forms
fraternization, noun
fraternizer, noun
unfraternized, adjective
unfraternizing, adjective
1. socialize, mingle, mix, consort, hobnob. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for fraternization
Historical Examples
  • Its privilege—its duty rather—is to ignore all applicants to fraternization that cannot return what it receives.

    Mizora: A Prophecy Mary E. Bradley
  • This was the answer to Redmond's proposal of fraternization.

  • Often, it is the name mostly that holds a party together, and that forms the limit of sympathy and fraternization.

    Memoir of Rev. Joseph Badger Elihu G. Holland
  • The fraternization which is developing on the front can easily turn into such a trap.

    Bolshevism John Spargo
  • Better yet, where in all Fiji was fraternization more simple?

    The Pacific Triangle Sydney Greenbie
  • They had inaugurated an informal understanding with the Communists, and fraternization had begun between the opposing armies.

    Government in Republican China Paul Myron Anthony Linebarger
  • We are to succeed in the French mode, by the system of fraternization—all is French.

  • HE Jacobins, in realizing their systems of fraternization, always contrived to be the elder brothers.

    Quips and Quiddities William Davenport Adams
  • There was therefore none of the sympathy and the fraternization that usually has accompanied a great surrender at sea.

    Winning a Cause John Gilbert Thompson and Inez Bigwood
  • Incidentally he disposed of the suggestion that there had been anything in the way of fraternization.

British Dictionary definitions for fraternization


(intransitive) often foll by with. to associate on friendly terms
Derived Forms
fraternization, fraternisation, noun
fraternizer, fraterniser, noun
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 fraternization

1792, "act of uniting as brothers," from French fraternization (see fraternity); of relations between occupying soldiers and occupied civilians, from mid-19c; explicitly from 1944 (see fraternize).



1610s, "to sympathize as brothers," from French fraterniser, from Medieval Latin fraternizare, from fraternus "brotherly" (see fraternity). Military sense of "cultivate friendship with enemy troops" is from 1897 (used in World War I with reference to the Christmas Truce). Used oddly by World War II armed forces to mean "have sex with women from enemy countries."

A piece of frat, Wren-language for any attractive young woman -- ex-enemy -- in occupied territory. [John Irving, "Royal Navalese," 1946]
Related: Fraternized; fraternizing.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for fraternization



To associate closely with inhabitants of an enemy country, esp to consort sexually with the women (WWII armed forces)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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