'Extremely' in the Bible

“For your own good, be extremely careful—because you did not see any form on the day the Lord spoke to you out of the fire at Horeb—

Listen, Israel: Today you are about to cross the Jordan so you can dispossess the nations there, people greater and stronger than you who live in large cities with extremely high fortifications.

The man who is most refined and well-bred among you will be cruel and hostile toward his brother and toward the wife he cherishes and toward the rest of his children who remain,