adjective. Not restricted to or associated with a religious denomination.

adjective. not restricted to a particular religious denomination.

adjective. Lacking a denomination; not specific to a particular religion or sect.

adjective. Something that does not classify people by race, religion or sexuality.

adjective. Something that does not classify people by gender.

adjective. not restricted to a particular religious denomination

"They're likely to say they are "nondenominational" -- a term usually, and mistakenly, taken as meaning that someone is drifting away from Judaism."

nonsectarian  unsectarian  

13th-century  Episcopalian  Serbian  Sistine  apsidal  

all-comprehending  all-comprehensive  all-covering  all-embracing  all-encompassing