'Earnestly' in the Bible

Then they called on the Lord and said, “We earnestly pray, O Lord, do not let us perish on account of this man’s life and do not put innocent blood on us; for You, O Lord, have done as You have pleased.”

But both man and beast must be covered with sackcloth; and let men call on God earnestly that each may turn from his wicked way and from the violence which is in his hands.