Adam Clarke on Galatians 5:21

Envyings - Φθονοι· "Pain felt, and malignity conceived, at the sight of excellence or happiness." A passion the most base and the least curable of all that disgrace or degrade the fallen soul. See on Rom 13:13 (note)

Murders - Φονοι· Similarity of sound to the preceding seems to have suggested the word in this association; it is wanting in several MSS. Murder signifies the destruction of human life; and as he who hates his brother in his heart is ready to take away his life, so he is called a murderer. After all the casuistry of man, it does not appear that the right of taking away a human life on any pretense, except for the crime of murder belongs to any but the Maker and Judge of all men.

Drunkenness - Μεθαι· Taking more wine or any kind of inebriating liquor than is necessary for health; whatever unfits for public, domestic, or spiritual duties; even the cares of the world, when they intoxicate the mind. See on Rom 13:13 (note).

Revellings - Κωμοι· Lascivious feastings, with obscene songs, music, etc. See on Rom 13:13 (note).

And such like - Και τα ὁμοια τουτοις· All that proceeds from the evil passions of a fallen spirit, besides those above specified; and all that the law of God specifies and condemns.

Of the which I tell you before - When I first preached the Gospel to you.

As I have also told you in time past - When I paid my second visit to you; for the apostle did visit them twice. See Act 16:6; Act 18:23; and see preface.

Shall not inherit - They are not children of God, and therefore cannot inherit the kingdom which belongs only to the children of the Divine family.