Vivacious

1. a. Living through the winter, or from year to year; perennial.
2. a. Having vigorous powers of life; tenacious of life; long-lived.
3. a. Sprightly in temper or conduct; lively; merry; as, a vivacious poet.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.