exuberant

adj

Etymology: From Middle French exubérant, from Latin exūberāns, the present active participle of exūberō (“be abundant”). Put together from ex (“out”), and uber (“udder”), and originally would have referred to a cow or she-goat which was making so much milk that it naturally dripped or sprayed from the udder.

1. Very cheery and peppy; extremely cheerful, energetic and enthusiastic.

   “exuberant feeling”

   “He was a man of exuberant fancy, and, withal of an authority so irresistible that, at his will, he turned his varied fancies into facts.”

2. Abundant, luxuriant.

   “exuberant foliage”

   “It pencilled each flower with rich and variegated hues, and threw over its exuberant foliage a vesture of emerald green.”

3. Unusually proliferative, widespread or extreme, particularly in relation to a disease, immune reaction, or tissue