Having vigorous powers of life; tenacious of life; long-lived. [Obs.] 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. The faith of Christianity is far more vivacious than any mere ravishment of the imagination can ever be. I. Taylor.
Sprightly in temper or conduct; lively; merry; as, a vivacious poet. "Vivacious nonsense." V. Knox.
Living through the winter, or from year to year; perennial. [R.]
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