mo·nog·a·mous \məˈnägəməs\adjective Etymology: Late Latin monogamus marrying once, from Greek monogamos, from mon- + gamos marriage — more at bigamy : of or relating to monogamy : upholding or practicing monogamy < a monogamous community > < monogamous doctrines > • mo·nog·a·mous·lyadverb • mo·nog·a·mous·nessnoun-es