Synonyms of the word 
NONSECTARIAN → ECUMENIC - ECUMENICAL - INTERCHURCH - INTERDENOMINATIONAL - NONDENOMINATIONAL - OECUMENIC - OECUMENICAL - UNDENOMINATIONAL - UNSECTARIAN
nonsectarian
- adj. Of or pertaining to nonsectarianism.
- n. One who is not a sectarian.
ecumenic
- adj. Ecumenical.
ecumenical
- adj. (ecclesiastical) Pertaining to the universal Church, representing the entire Christian world; interdenominational;…
- adj. General, universal, worldwide.
interchurch
- adj. Between churches.
interdenominational
- adj. (religion) Of, relating to, or between different denominations or churches.
nondenominational
- adj. Lacking a denomination; not specific to a particular religion or sect.
oecumenic
- adj. Archaic form of ecumenic.
oecumenical
- adj. Alternative spelling of ecumenical.
undenominational
- adj. Not denominational, used e.g. of a church.
unsectarian
- adj. Not sectarian.
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