'Slay' in the Bible

And it came to pass as soon as they had ended offering up the burnt-offering, that Jehu said to the couriers and to the captains, Go in, slay them; let none come forth. And they smote them with the edge of the sword; and the couriers and the captains cast them there. And they went to the city of the house of Baal,

And Jehoiada the priest commanded the captains of the hundreds that were set over the host, and said to them, Lead her forth without the ranks; and whosoever follows her, slay with the sword; for the priest said, Let her not be put to death in the house of Jehovah.

And they spoke to the king of Assyria saying, The nations that thou hast removed and made to dwell in the cities of Samaria know not the manner of the god of the land; therefore he has sent lions among them, and behold, they slay them, because they know not the manner of the god of the land.