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

Read Ephesians 4:18 Using Other Translations

Having the understanding darkened, being alienated from the life of God through the ignorance that is in them, because of the blindness of their heart:
They are darkened in their understanding, alienated from the life of God because of the ignorance that is in them, due to their hardness of heart.
Their minds are full of darkness; they wander far from the life God gives because they have closed their minds and hardened their hearts against him.

Ephesians 4:18 Inspirational Images