adj. 25B6; adjective LIVELY, spirited, high-spirited, energetic, full of life, excited, enthusiastic, eager, alive, active, vigorous, vibrant, vital, vivacious, buoyant, exuberant, ebullient, effervescent, bouncy, bubbly, perky; informal bright-eyed and bushy-tailed, full of beans, bright and breezy, chirpy, chipper, peppy.
lethargic, lifeless.