¹⁸ having their understanding darkened, being alienated from the life of God, because of the ignorance that is in them, because of the blindness of their heart;

¹⁸ Having the understanding darkened, being alienated from the life of God through the ignorance that is in them, because of the blindness [1] of their heart:

¹⁸ 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 heart;

¹⁸ 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;