What does "interdenominational" mean?

Of, relating to, or between different denominations or churches.

What is a synonym for "interdenominational"?

Common synonyms include: ecumenical, interchurch, nondenominational, nonsectarian.

adj

adj ·Rare ·Advanced level

Adjective

1
Of, relating to, or between different denominations or churches. not-comparable
"Near-synonyms: ecumenic, ecumenical"

Adjective

1
occurring between or among or common to different churches or denominations wordnet

"Near-synonyms: ecumenic, ecumenical"

From inter- + denominational.