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1.
A female member of a separated marriage in which reconciliation is not an option, but for which a divorce has not yet been finalized.
When we were engaged to be married, she was my fiancée; now that we're engaged to be divorced, she's my deancée.

This weekend I've got to go over to my deancée's place and pick up the rest of my shit.
by WVO_Kripke March 26, 2010