1. (n.) The quality or state of being lively or animated; sprightliness; vivacity; animation; spirit; as, the liveliness of youth, contrasted with the gravity of age.

2. (n.) An appearance of life, animation, or spirit; as, the liveliness of the eye or the countenance in a portrait.

3. (n.) Briskness; activity; effervescence, as of liquors.

activity adaptability alacrity animal spirits animate existence animation anxiety anxiousness appetite ardency ardor avidity avidness being alive birth bite bounce bounciness breathless impatience breeziness brio briskness bubbliness buoyance buoyancy capersomeness cheerful readiness coltishness dash eagerness ebullience ecstasy effervescence elan elasticity energy enthusiasm esprit excitement existence extensibility exuberance fervency fervidness fervor fire flexibility forwardness friskiness frolicsomeness furor fury gaiety gamesomeness gayness ginger give glow gust gusto guts having life heart heartiness heat hotness immortality impassionedness impatience impetuosity impetus joie de vivre keen desire keenness kick life lifetime living long life longevity lustiness mettle moxie nip nippiness passion passionateness pep pepperiness peppiness perkiness pertness piquancy piss and vinegar pizzazz playfulness poignancy promptness punch pungency quickness raciness readiness rebound relish resilience resiliency responsiveness robustness rollicksomeness rompishness savor skittishness snap snappiness soul sparkle spice spiciness spirit spiritedness spirits sportiveness sprightliness spring springiness spriteliness stretch stretchability stretchiness tang tanginess tone tonicity tonus vehemence verve viability vigor vim vitality vivaciousness vivacity vividness warmth warmth of feeling zeal zest zestfulness zip