Strong's G52 ἄγνοια (agnoia)

And Abimelech said to him, Why hast thou done this to us? one of my kindred within a little had lain with thy wife, and thou wouldest have brought a sin of ignorance upon us.

he shall even bring a ram without blemish from the flock, valued at a price of silver for his transgression to the priest; and the priest shall make atonement for his trespass of ignorance, wherein he ignorantly trespassed, and he knew it not; and it shall be forgiven him.

And the man who shall ignorantly eat holy things, shall add the fifth part to it, and give the holy thing to the priest.

And Saul committed a great trespass of ignorance in that day, and he lays a curse on the people, saying, Cursed is the man who shall eat bread before the evening; so I will avenge myself on my enemy: and none of the people tasted bread, though all the land was dining.

and said to them, Ye shall not bring in hither the prisoners to us, for whereas sin against the Lord is upon us, ye mean to add to our sins, and to our trespass: for our sin is great, and the fierce anger of the Lord is upon Israel.

Remember not the sins of my youth, nor my sins of ignorance: Remember me according to thy mercy, For thy goodness’ sake, O Lord.

Suffer not thy mouth to lead thy flesh to sin; And say not in the presence of God, It was an error: Lest God be angry at thy voice, And destroy the works of thy hands.

that they might slay in it the sin offerings, and the trespass offerings.

And he said to me, The chambers toward the north, and the chambers toward the south, in front of the void spaces, these are the chambers of the sanctuary, wherein the priests the sons of Zadok, who draw nigh to the Lord, shall eat the most holy things: and there shall they lay the most holy things, and the meat offering, and the sin offerings, and the trespass offerings; because the place is holy.

And these shall eat the meat offerings, and the sin offerings, and the trespass offerings; and every special offering in Israel shall be theirs.

And he said to me, This is the place where the priests shall boil the trespass offerings and the sin offerings, and there shall they bake the meat offering always; so as not to carry them out into the outer court, to sanctify the people.

And now, brethren, I wot that through ignorance ye did it, as did also your rulers.

And the times of this ignorance God winked at; but now commandeth all men every where to repent:

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:

As obedient children, not fashioning yourselves according to the former lusts in your ignorance:

So all they that were then moved at the word of the Lord God of Israel assembled unto me, while I mourned for the iniquity: but I sat still full of heaviness until the evening sacrifice.

And they gave their hands to put away their wives, and to offer rams to make reconcilement for their errors.

How, then, is it, perhaps some may say, that reasoning, if it rule the affections, is not also master of forgetfulness and ignorance? They attempt a ridiculous argument.

How, then, a man may say, if reasoning be master of the passions, has it no control over forgetfulness and ignorance?

Moreover this was not enough for them, that they erred in the knowledge of God; But whereas they lived in the great war of ignorance, Those so great plagues called they peace.

For fear is nothing else but a betraying of the succors which reason offereth.

Lest mine ignorances increase, And my sins abound to my destruction, And I fall before mine adversaries, And mine enemy rejoice over me, Whose hope is far from thy mercy.

Remember the commandments, and bear no malice to thy neighbor: Remember the covenant of the Highest, and wink at ignorance.