'Powerful' in the Bible

But I know that the king of Egypt will not let you go, no, not by a powerful hand.

And Jehovah turned a very powerful west wind, which took away the locusts, and drove them into the Red Sea: there remained not one locust in all the borders of Egypt.

And Moses said to the people, Remember this day, in which ye came out from Egypt, out of the house of bondage; for with a powerful hand hath Jehovah brought you out from this; and nothing leavened shall be eaten.

And it shall be for a sign to thee on thy hand, and for a memorial between thine eyes, that the law of Jehovah may be in thy mouth; for with a powerful hand hath Jehovah brought thee out of Egypt.

And it shall be when thy son asketh thee in time to come, saying, What is this? that thou shalt say to him, With a powerful hand Jehovah brought us out from Egypt, out of the house of bondage.

And it shall be for a sign on thy hand, and for frontlets between thine eyes, for with a powerful hand Jehovah brought us forth out of Egypt.