Vī-vā'cious, a.
(Synop., § 130), a. [Lat. vivax, vivacis, from vivere, to live, It. & Fr. vivace, Sp. vivaz.]
Sense 1. Having vigorous powers of life; tenacious of life; long-lived. [Rare.]
Hitherto the English bishops had been vivacious almost to wonder. . . . But five died for the first twenty years of her [Elizabeth's] reign. Fuller.
The faith of Christianity is far more vivacious than any mere ravishment of the imagination can be. I. Taylor.
Sense 2. Sprightly in temper or conduct; lively; active; as, a vivacious poet. “Vivacious nonsense.” Knox.
Sense 3. (Bot.) Living through the winter, or from year to year; perennial. [Rare.]
Synonyms— Sprightly; active; animated; sportive; gay; merry; jocund; light-hearted.