'Understand' in the Bible

‘Only understand fully and acknowledge your wickedness and guilt,That you have rebelled (transgressed) against the Lord your GodAnd have scattered your favors among strangers under every green tree,And you have not obeyed My voice,’ says the Lord.

“For My people are stupid and foolish,” [says the Lord to Jeremiah];“They do not know Me;They are foolish childrenAnd have no understanding.They are shrewd [enough] to do evil,But they do not know [how] to do good.”

“Behold, I am bringing a nation against you from far away, O house of Israel,” says the Lord.“It is a mighty and enduring nation,It is an ancient nation,A nation whose language you do not know,Whose words you do not comprehend.

“They bend their tongue like their bow;[Their] lies and not truth prevail and grow strong in the land;For they proceed from evil to evil,And they do not know and understand and acknowledge Me,” says the Lord.

“Your dwelling is in the midst of deceit [oppression upon oppression and deceit upon deceit];Through deceit they refuse to know (understand) Me,” says the Lord.

Who is the wise man who may understand this [without any doubt]? To whom has the mouth of the Lord spoken, so that he may declare it? Why is the land ruined, laid waste like a wilderness, so that no one passes through?

But You, O Lord, know me [and understand my devotion to You];You see me;And You examine the attitude of my heart toward You.Drag out the faithless like sheep for the slaughter [O Lord]And set them apart for the day of slaughter.

O Lord, You know and understand;Remember me [thoughtfully], take notice of me,take vengeance for me on my persecutors.Do not, in view of Your patience, take me away;Know that for Your sake I endure [continual] rebuke and dishonor.

“The heart is deceitful above all thingsAnd it is extremely sick;Who can understand it fully and know its secret motives?

“Is this man [King] Coniah a despised, broken jar?Is he a vessel in which no one takes pleasure?Why are he and his [royal] descendants hurled outAnd cast into a land which they do not know or understand?

“The anger of the Lord will not turn backUntil He has set in motion and accomplished the thoughts and intentions of His heart;In the last days you will clearly understand it.

I will give them a heart to know Me, [understanding fully] that I am the Lord; and they will be My people, and I will be their God, for they will return to Me with their whole heart.

The fierce (righteous) anger of the Lord will not turn backUntil He has fulfilled and until He has accomplishedThe intent of His heart (mind);In the latter days you will understand this.

And each man will no longer teach his neighbor and his brother, saying, ‘Know the Lord,’ for they will all know Me [through personal experience], from the least of them to the greatest,” says the Lord. “For I will forgive their wickedness, and I will no longer remember their sin.”

‘Call to Me and I will answer you, and tell you [and even show you] great and mighty things, [things which have been confined and hidden], which you do not know and understand and cannot distinguish.’