'Adjure' in the Bible

And the king sent and called for Shimei, and said unto him, Did I not adjure thee by Jehovah, and protest unto thee, saying, Know for certain, that on the day thou goest out, and walkest abroad any whither, thou shalt surely die? and thou saidst unto me, The saying that I have heard is good.

If a man have sinned against his neighbour, and an oath be laid upon him to adjure him, and the oath come before thine altar in this house;

And the king said unto him, How many times shall I adjure thee that thou tell me nothing but that which is true in the name of the LORD?