'Shut' in the Bible

So we see that they were not able to enter [into His rest—the promised land] because of unbelief and an unwillingness to trust in God.

who by faith conquered kingdoms, administered justice, obtained promises, shut the mouths of lions,

See that you give ear to his voice which comes to you. For if those whose ears were shut to the voice which came to them on earth did not go free from punishment, what chance have we of going free if we give no attention to him whose voice comes from heaven?