Ephesians 4:18

Sin

¹⁶ From whom the whole body fitly joined together and compacted by that which every joint supplieth, according to the effectual working in the measure of every part, maketh increase of the body unto the edifying of itself in love.

¹⁷ This I say therefore, and testify in the Lord, that ye henceforth walk not as other Gentiles walk, in the vanity of their mind,

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:

¹⁹ Who being past feeling have given themselves over unto lasciviousness, to work all uncleanness with greediness.

²⁰ But ye have not so learned Christ;

Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB: 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.
KJV: 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:
WEB: 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.
ASV: 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;
DARBY: 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,
BLB: being darkened in the understanding, being alienated from the life of God because of the ignorance being in them on account of the hardness of their heart,

ÅB: formørket i sin tanke, fremmedgjort for Guds liv ved den vankundighet som er i dem på grunn av deres hjertes forherdelse,
OTB: De er formørket i sin forståelse og fremmedgjort fra Guds liv på grunn av uvitenheten som er i dem, på grunn av hjertets hardhet.
B1930: formørket i sin tanke, fremmedgjort for Guds liv ved den vankundighet som er i dem på grunn av deres hjertes forherdelse,

Study notes (Tyndale)

Original text and word study

Cross references

Matthew 13:15
For this people’s heart is waxed gross, and their ears are dull of hearing, and their eyes they have closed; lest at any time they should see with their eyes, and hear with their ears, and should understand with their heart, and should be converted, and I should heal them.
Read in context
Ephesians 2:12
That at that time ye were without Christ, being aliens from the commonwealth of Israel, and strangers from the covenants of promise, having no hope, and without God in the world:
Read in context
Romans 1:21–23
Because that, when they knew God, they glorified him not as God, neither were thankful; but became vain in their imaginations, and their foolish heart was darkened.
Read in context
John 12:40
He hath blinded their eyes, and hardened their heart; that they should not see with their eyes, nor understand with their heart, and be converted, and I should heal them.
Read in context
1 Thessalonians 4:5
Not in the lust of concupiscence, even as the Gentiles which know not God:
Read in context
2 Corinthians 4:4
In whom the god of this world hath blinded the minds of them which believe not, lest the light of the glorious gospel of Christ, who is the image of God, should shine unto them.
Read in context
Colossians 1:21
And you, that were sometime alienated and enemies in your mind by wicked works, yet now hath he reconciled
Read in context
James 4:4
Ye adulterers and adulteresses, know ye not that the friendship of the world is enmity with God? whosoever therefore will be a friend of the world is the enemy of God.
Read in context