promoting or fostering Christian unity throughout the world.
of or pertaining to a movementesp. among Protestant groups since the 1800s, aimed at achieving universal Christian unity and church union through international interdenominational organizations that cooperate on matters of mutual concern.
interreligious or interdenominational: an ecumenical marriage.
including or containing a mixture of diverse elements or styles; mixed: an ecumenical meal of German, Italian, and Chinese dishes.