WordNet sense 1 (a kind of religious song originated by Blacks in the southern United States):

Negro spiritual

WordNet sense 2 (concerned with or affecting the spirit or soul):

unearthly

WordNet sense 3 (not concerned with the temporal world or swayed by mundane considerations):

unworldly

WordNet sense 4 (concerned with sacred matters or religion or the church):

religious

WordNet sense 5 (concerned with religion or religious purposes):

sacred

WordNet sense 6 (resembling or characteristic of a phantom):

ghostly, phantasmal, spectral, apparitional, ghostlike

WordNet sense 7 (not existing in nature or subject to explanation according to natural laws; not physical or material):

supernatural

WordNet sense 8 (without material form or substance):

immaterial, incorporeal