Definition of "unmarry" [un•mar•ry]

• To undo the action of marrying. (verb)

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• " Media Institute unMarriage event, "where he invited all couples to" unmarry "until everyone has the opportunity to marry whomever they want."
• "If the Census uses current methods, it would "unmarry people who checked off 'married couples,'" — even in states where same-sex marriage is legal, Carey says."
• "The U.S. Census Bureau, principally, is forbidden from counting same-sex married couples as married -- even when they are legally married in their home states -- by the Defense of Marriage Act. In 2010, as in previous decades, the decennial Census will once again unmarry those same-sex couples who report themselves as married, and count them instead as "unmarried partners.""