'Understand' in the Bible

He said, "Go, and tell this people, 'You hear indeed, but don't understand; and you see indeed, but don't perceive.'

Make the heart of this people fat. Make their ears heavy, and shut their eyes; lest they see with their eyes, and hear with their ears, and understand with their heart, and turn again, and be healed."

As often as it passes through, it will seize you; for morning by morning it will pass through, by day and by night; and it will be nothing but terror to understand the message."

The heart of the rash will understand knowledge, and the tongue of the stammerers will be ready to speak plainly.

You will no longer see the fierce people, a people of a deep speech that you can't comprehend, with a strange language that you can't understand.

Then Eliakim, Shebna and Joah said to Rabshakeh, "Please speak to your servants in Aramaic, for we understand it; and don't speak to us in the Jews' language in the hearing of the people who are on the wall."

that they may see, know, consider, and understand together, that the hand of Yahweh has done this, and the Holy One of Israel has created it.

"You are my witnesses," says Yahweh, "With my servant whom I have chosen; that you may know and believe me, and understand that I am he. Before me there was no God formed, neither will there be after me.

They don't know, neither do they consider: for he has shut their eyes, that they can't see; and their hearts, that they can't understand.

so shall he sprinkle many nations; kings shall shut their mouths at him: for that which had not been told them shall they see; and that which they had not heard shall they understand.

Yes, the dogs are greedy, they can never have enough; and these are shepherds who can't understand: they have all turned to their own way, each one to his gain, from every quarter.