Of, relating to, consisting of, or having the nature of spirit; not tangible or material. See Synonyms at immaterial. Of, concerned with, or affecting the soul. Of, from, or relating to God; deific. Of or belonging to a church or religion; sacred. Relating to or having the nature of spirits or a spirit; supernatural. A religious folk song of African-American origin. A work composed in imitation of such a song. Religious, spiritual, or ecclesiastical matters. Often used in the plural.