WordNet: nonsectarian, unsectarian

not restricted to one sect or school or party; "religious training in a nonsectarian atmosphere"; "nonsectarian colleges"; "a wide and unsectarian interest in religion"- Bertrand Russell"

• similar to ecumenic, ecumenical, oecumenic, oecumenical

• similar to interchurch, interdenominational

• similar to nondenominational

• similar to undenominational

nonsectarian

• (englanti) sectarian (antonym)
• (suomi) lahkoton (synonyymi)

unsectarian

• (suomi) lahkoutumaton (synonyymi)