Reference: Enmity
Easton
deep-rooted hatred. "I will put enmity between thee and the woman, between thy seed and her seed" (Ge 3:15). The friendship of the world is "enmity with God" (Jas 4:4; 1Jo 2:15-16). The "carnal mind" is "enmity against God" (Ro 8:7). By the abrogation of the Mosaic institutes the "enmity" between Jew and Gentile is removed. They are reconciled, are "made one" (Eph 2:15-16).
See Verses Found in Dictionary
I will put hostility between you and the woman, and between your seed and her seed. He will strike your head, and you will strike his heel.
Then she let them down by a rope through the window, since she lived in a house that was [built] into the wall of the city. "Go to the hill country so that the men pursuing you won't find you," she said to them. "Hide yourselves there for three days until they return; afterwards, go on your way."
For the mind-set of the flesh is hostile to God because it does not submit itself to God's law, for it is unable to do so.
He did away with the law of the commandments in regulations, so that He might create in Himself one new man from the two, resulting in peace. [He did this so] that He might reconcile both to God in one body through the cross and put the hostility to death by it.
Adulteresses! Do you not know that friendship with the world is hostility toward God? So whoever wants to be the world's friend becomes God's enemy.