Matthew Henry on 2 Kings 9:30–end
The greatest delinquent in the house of Ahab was Jezebel: it was she that introduced Baal, slew the Lord's prophets, contrived the murder of Naboth, stirred up her husband first, and then her sons, to do wickedly; a cursed woman she is here called (Kg2 9:34), a curse to the country, and whom all that wished well to their country had a curse for. Three reigns her reign had lasted, but now, at length, her day had come to fall. We read of a false prophetess in the church of Thyatira that is compared to Jezebel, and called by her name (Rev 2:20), her wickedness the same, seducing God's servants to idolatry, a long space given her to repent (Kg2 9:21) as to Jezebel, and a fearful ruin brought upo…
Read the whole note in the consoleJamieson-Fausset-Brown on 2 Kings 9:30
Jezebel painted her face--literally, "her eyes," according to a custom universal in the East among women, of staining the eyelids with a black powder made of pulverized antimony, or lead ore mixed with oil, and applied with a small brush on the border, so that by this dark ligament on the edge, the largeness as well as the luster of the eye itself was thought to be increased. Her object was, by her royal attire, not to captivate, but to overawe Jehu.
Adam Clarke on 2 Kings 9:31
Had Zimri peace, who slew his master? - Jarchi paraphrases this place thus: "If thou hast slain thy master, it is no new thing; for Zimri also slew Elah, the son of Baasha;" which words were rather intended to conciliate than to provoke. But the words are understood by most of the versions thus: Health to Zimri, the slayer of his master!
John Gill on 2 Kings 9:31
And as Jehu entered in at the gate,.... Either of the city of Jezreel, or of the king's palace:
she said, had Zimri peace, who slew his master? Elah the son of Baasha king of Israel; no, he had not; he reigned but seven days, and, being besieged, burnt the king's house over him, and died, 1 Kings 16:10, suggesting that the like would be his fate, who had slain his master Joram; or the words may be rendered, "O Zimri, the slayer of his master"; calling Jehu so, because of his likeness to Zimri.