Strong's #52: agnoia (pronounced ag'-noy-ah)

from 50; ignorance (properly, the quality):--ignorance.

Thayer's Greek Lexicon:

̓́

agnoia

1) lack of knowledge, ignorance

1a) especially of divine things

1b) of moral blindness

Part of Speech: noun feminine

Relation: from G50

Citing in TDNT: 1:116, 18

Usage:

This word is used 4 times:

 

Acts 3:17: "I wot that through ignorance ye did it, as did also your"
Acts 17:30: "And the times of this ignorance God winked at; but now"
Ephesians 4:18: "of God through the ignorance that is in them, because"
1 Peter 1:14: "lusts in your ignorance:"