'Fast' in the Bible

My steps have held fast to thy paths, My feet have not slipped.

For he spake, and it was done; He commanded, and it stood fast.

The counsel of Jehovah standeth fast for ever, The thoughts of his heart to all generations.

For thine arrows stick fast in me, And thy hand presseth me sore.

An evil disease,'say they , cleaveth fast unto him; And now that he lieth he shall rise up no more.

Who by his strength setteth fast the mountains, Being girded about with might;

My lovingkindness will I keep for him for evermore; And my covenant shall stand fast with him.