Origin of monogamous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for non-monogamous
Chief among these: the non-monogamous birdies wind up with more grand-birds (a sign of reproductive success).Does Your Sex Number Matter?
Debby Herbenick PhD
September 30, 2011
It is a fact that Anglo-Saxon civilization has always refused legal recognition to non-monogamous marriage.
Word Origin and History for non-monogamous
"having but one wife or husband at a time," 1770, from Medieval Latin monogamus, from Greek monogamos "marrying only once" (see monogamy).
Online Etymology Dictionary, © 2010 Douglas Harper