NET

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

Darby

18 being darkened in understanding, estranged from the life of God by reason of the ignorance which is in them, by reason of the hardness of their hearts,

KJV

18 Having the understanding darkened, being alienated from the life of God through the ignorance that is in them, because of the blindness^K7025of their heart:

KJV Bible Notes

blindness: Or, hardness.

Strong's

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