interfaith

from WordNet (r) 3.0 (2006)

interfaith
    adj 1: involving persons of different religious faiths; "an
           interfaith marriage"; "interfaith good will"

from The Collaborative International Dictionary of English v.0.48

interfaith \interfaith\ adj.
   involving persons of different religious faiths; as, an
   interfaith marriage; interfaith good will.

   Syn: interdenominational.
        [WordNet 1.5 +PJC]