What is the meaning of the word passion?

Capable or susceptible of passion, or of different passions; easily moved, excited or agitated; specifically, easily moved to anger; irascible; quick-tempered; as, a passionate nature., Characterized by passion; expressing passion; ardent in feeling or desire; vehement; warm; as, a passionate friendship., Suffering; sorrowful., To affect with passion; to impassion., To express feelingly or sorrowfully.