'Spiritual' in the Bible

For I want very much to see you, so I may impart to you some spiritual gift to strengthen you,

For we know that the law is spiritual, but I am made out of flesh, sold into sin’s power.

Therefore, brothers, by the mercies of God, I urge you to present your bodies as a living sacrifice, holy and pleasing to God; this is your spiritual worship.

Yes, they were pleased, and indeed are indebted to them. For if the Gentiles have shared in their spiritual benefits, then they are obligated to minister to Jews in material needs.