adjective
1.
Synonyms: exuberant 1, brash, ebullient, high-spirited, vivacious
2.
Synonyms: elastic 2, airy, bouncy, buoyant, expansive, resilient, volatile
Related Word: animated, boiling, bubbly, excited, gay, lively, sparkling, sprightly, vivacious; gleeful, hilarious, jolly, mirthful
Contrasted words: lifeless, listless, subdued; earnest, sedate, serious, solemn