The son and successor of Jeroboam, the king of Israel ([1 Kings 14:20](/1kgs#1Kgs.14.20)). While engaged with all Israel in laying siege to Gibbethon, a town of southern Dan ([Josh. 19:44](/josh#Josh.19.44)), a conspiracy broke out in his army, and he was slain by Baasha ([1 Kings 15:25-28](/1kgs#1Kgs.15.25)), after a reign of two years (B.C. 955-953). The assassination of Nadab was followed by that of his whole house, and thus this great Ephraimite family became extinct ([1 Kings 15:29](/1kgs#1Kgs.15.29)).