1. A powerful emotion, such as love, joy, hatred, or anger. 2a. Ardent love. b. Strong sexual desire; lust. c. The object of such love or desire. 3a. Boundless enthusiasm: His skills as a player don't quite match his passion for the game. b. The object of such enthusiasm: Soccer is her passion. 4. An abandoned display of emotion, especially of anger: He's been known to fly into a passion without warning. 5. Passion a. The sufferings of Jesus in the period following the Last Supper and including the Crucifixion, as related in the New Testament. b. A narrative, musical setting, or pictorial representation of Jesus's sufferings. 6. Archaic Martyrdom. 7. Archaic Passivity.
Middle English, from Old French, from Medieval Latin pass