undenominational
adjective
un·de·nom·i·na·tion·al 
ˌən-di-ˌnä-mə-ˈnā-shnəl,
-shə-nᵊl : not restricted or belonging to a religious denomination : not denominational
undenominational instruction
undenominational religions
undenominationally adverb
Example Sentences
Recent Examples on the Web On Sunday, the nation asked God to save the Queen in services held in big cathedrals, in the dank Norman chill of little country churches, and on village greens under the undenominational sky. 
Françoise Mouly, The New Yorker, 8 Sep. 2022
Françoise Mouly, The New Yorker, 8 Sep. 2022 Word History
First Known Use
1871, in the meaning defined above
- sacramentalism
- sacramentalisms
- sacramentalist
- sacramentalists
- sacramentalities
- sacramentality
- sacramentally
- sacramentals
- Sacramentan
- sacramentarian
- sacramentarianism
- sacramentarianisms
- sacramentarians
- sacramentaries
- sacramentary
- sacramented
- Sacramenter
- sacramenti
- sacramenting
- sacramentism
- sacramentize
- Sacramento
- Sacramento cat
- Sacramento County
- Sacramento Mountains