'Fail' in the Bible

Now therefore, O LORD God of Israel, keep with thy servant David my father that which thou hast promised him, saying, There shall not fail thee a man in my sight to sit upon the throne of Israel; yet so that thy children take heed to their way to walk in my law, as thou hast walked before me.

Then will I stablish the throne of thy kingdom, according as I have covenanted with David thy father, saying, There shall not fail thee a man to be ruler in Israel.

"But if you people ever turn away from me, fail to obey the regulations and rules I instructed you to keep, and decide to serve and worship other gods,

Whenever your countrymen who live in the cities bring a case before you (whether it involves a violent crime or other matters related to the law, commandments, rules, and regulations), warn them that they must not sin against the Lord. If you fail to do so, God will be angry with you and your colleagues; but if you obey, you will be free of guilt.