Definitions of spiritual:

• noun:   a kind of religious song originated by Blacks in the southern United States
• adjective:   concerned with or affecting the spirit or soul

  Example: "A spiritual approach to life"

• adjective:   lacking material body or form or substance

  Example: "Spiritual beings"

• adjective:   concerned with sacred matters or religion or the church

  Example: "Lords temporal and spiritual"

• adjective:   like or being a phantom

  Example: "Spiritual tappings at a seance"