a. [ L. vívax, -acis, fr. vivere to live. See Vivid. ] 1. Having vigorous powers of life; tenacious of life; long-lived. [ Obs. ] [ 1913 Webster ] Hitherto the English bishops have been vivacious almost to wonder. . . . But five died for the first twenty years of her [ Queen Elizabeth's ] reign. Fuller. [ 1913 Webster ] The faith of Christianity is far more vivacious than any mere ravishment of the imagination can ever be. I. Taylor. [ 1913 Webster ] 2. Sprightly in temper or conduct; lively; merry; as, a vivacious poet. “Vivacious nonsense.” V. Knox. [ 1913 Webster ] 3. (Bot.) Living through the winter, or from year to year; perennial. [ R. ] [ 1913 Webster ] Syn. -- Sprightly; active; animated; sportive; gay; merry; jocund; light-hearted. [ 1913 Webster ] -- Vi*va"cious*ly, adv. -- Vi*va"cious*ness, n. [ 1913 Webster ] | 
