[ frat-er-nahyz ]
/ ˈfræt ərˌnaɪz /

verb (used without object), frat·er·nized, frat·er·niz·ing.

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), frat·er·nized, frat·er·niz·ing.

Archaic. to bring into fraternal association or sympathy.


Also especially British, frat·er·nise.

Origin of fraternize

1605–15; < French fraterniser < Medieval Latin frāternizāre. See fraternal, -ize

Related forms

frat·er·ni·za·tion, nounfrat·er·niz·er, nounun·frat·er·nized, adjectiveun·frat·er·niz·ing, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for fraternize

British Dictionary definitions for fraternize



/ (ˈfrætəˌnaɪz) /


(intr often foll by with) to associate on friendly terms

Derived Forms

fraternization or fraternisation, nounfraternizer or 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