'Word of God' in the Bible

As they were going down at the end of the city, Samuel said to Saul, "Tell the servant pass on before us" (and he passed on), "but stand still first, that I may cause you to hear the word of God."

But the word of God came to Shemaiah the man of God, saying,

It happened the same night, that the word of God came to Nathan, saying,

"Every word of God is flawless. He is a shield to those who take refuge in him.