'Nay' in the Bible

And he said, Speak, I pray thee, unto Solomon the king (for he will not say thee nay), that he give me Abishag the Shunammite to wife.

And Benaiah came to the Tent of Jehovah, and said unto him, Thus saith the king, Come forth. And he said, Nay; but I will die here. And Benaiah brought the king word again, saying, Thus said Joab, and thus he answered me.

And the other woman said, Nay; but the living is my son, and the dead is thy son. And this said, No; but the dead is thy son, and the living is my son. Thus they spake before the king.

Then said the king, The one saith, This is my son that liveth, and thy son is the dead: and the other saith, Nay; but thy son is the dead, and my son is the living.