verb (used without object), frat·er·nized, frat·er·niz·ing.
verb (used with object), frat·er·nized, frat·er·niz·ing.
- fraternal twins,
- fraternity house,
Origin of fraternize
Examples from the Web for fraternising
The chairman by seniority, Beslay, a capitalist of a fraternising turn of mind, made the opening speech.History of the Commune of 1871|P. Lissagary
They looked upon each other as brothers, and the outposts of both armies were fraternising.A History of the Reformation (Vol. 2 of 2)|Thomas M. Lindsay
And there must be no stretching the assimilation to the length of either concealing truth or fraternising in evil.
The doctor departed from the ceremony, fraternising with Campbell, and kept his bed for eight-and-forty hours.Devil-Worship in France|Arthur Edward Waite
Tim, who had been fraternising with the rebels, showed his note-book to Jack, filled with shorthand notes.The Harlequin Opal, Vol. 2 (of 3)|Fergus Hume
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.