—adj. 1. full or suggestive of life or vital energy; active, vigorous, or brisk: a lively discussion. 2. animated, spirited, vivacious, or sprightly: a lively tune; a lively wit. 3. eventful, stirring, or exciting: The opposition gave us a lively time. 4. bustling with activity; astir: The marketplace was lively with vendors. 5. strong, keen, or distinct; vivid: a lively recollection. 6. striking, telling, or effective, as an expression or instance.
7. vivid or bright, as color or light: a lively pink. 8. sparkling, as wines.
9. fresh or invigorating, as air: a lively breeze. 10. rebounding quickly; springing back; resilient: a lively tennis ball. 11. riding the sea buoyantly, as a ship.
—adv. with briskness, vigor, or animation; briskly: to step lively.