1 : lacking material body or form or substance; "spiritual beings"; "the vital transcendental soul belonging to the spiritual realm"-Lewis Mumford
2 : concerned with sacred matters or religion or the church; "religious texts"; "a member of a religious order"; "lords temporal and spiritual"; "spiritual leaders"; "spiritual songs"
3 : resembling or characteristic of a phantom; "a ghostly face at the window"; "a phantasmal presence in the room"; "spectral emanations"; "spiritual tappings at a seance"
nom
1 : a kind of religious song originated by Blacks in the southern United States