Definition of undenominational in English:
 undenominational
adjectiveˌʌndɪnɒmɪˈneɪʃən(ə)l
Not attached to any religious denomination.
 Example sentencesExamples
-  His Soldiers' and Sailors' Bethel Union, established in 1826, was an undenominational body that held services and distributed Christian literature among seafarers.
 -  The religious difficulty was met by the Cowper-Temple clause, whereby the religious instruction was to be undenominational.
 -  San Diego College was founded in 1887, by a company of gentlemen who associated themselves together for the purpose of establishing an undenominational college in Southern California.