πώρωσις pṓrōsis

Meaning

stupidity or callousness

In the King James Version: blindness, hardness

Derivation: from G4456 (πωρόω);

Where it is used

• Mark 3:5 Jesus looked around at them with anger and sorrow at their hardness of heart. Then He said to the man, “Stretch out your hand.” So he stretched it out, and it was restored.
• Romans 11:25 I do not want you to be ignorant of this mystery, brothers, so that you will not be conceited: A hardening in part has come to Israel, until the full number of the Gentiles has come in.
• Ephesians 4:18 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.