What is the meaning of Ephesians 4:18?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

They are darkened in their understanding and alienated from the life of God because of the ignorance that is in them due to the hardness of their hearts.

Berean Standard Bible (BSB)

being darkened in their understanding, alienated from the life of God, because of the ignorance that is in them, because of the hardening of their hearts;

World English Bible (WEB)

Having the understanding{G1271} darkened{G4654}{(G5772)}, being{G5607}{(G5752)} alienated{G526}{(G5772)} from the life{G2222} of God{G2316} through{G1223} the ignorance{G52} that is{G5607}{(G5752)} in{G1722} them{G846}, because{G1223} of the blindness{G4457} of their{G846} heart{G2588}:

Strong's King James

(18) They are being darkened in their understanding, alienated from the zoe-life of יהוה YAHWEH through ignorance that is in them. Through the hardness of their heart

The F.O.G*

[18] They stumble in spiritual darkness, alienated from God's life because of their willful ignorance and hardened hearts—like having spiritual cataracts that blind them to divine reality.

The F.O.G Paraphrase

being darkened in the understanding, being alienated from the life of God, because of the ignorance that is in them, because of the hardness of their heart,

Young's Literal Translation