D defs.my
Entry 1 sense Webster, 1913

Interdenominational

· In·ter·de·nom·i·na·tion·al · IPA
01 a. Occurring between or among, or common to, different denominations; as, interdenominational fellowship or belief.
  1. 1.
    Occurring between or among, or common to, different denominations; as, interdenominational fellowship or belief.