1. (a.) 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.

2. (a.) Characterized by passion; expressing passion; ardent in feeling or desire; vehement; warm; as, a passionate friendship.

3. (a.) Suffering; sorrowful.

4. (v. i.) To affect with passion; to impassion.

5. (v. i.) To express feelingly or sorrowfully.