a victory attained at as great a loss to the victor as to the vanquished.
Compare Pyrrhic victory.
Origin of Cadmean victory
First recorded in 1595–1605
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for cadmean victory
/ (ˈkædmɪən) /
another name for Pyrrhic victory
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