Manifesting or characterized by unusually early development or maturity, especially in mental aptitude.(adjective)
Botany Blossoming before the appearance of leaves.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "precocious" in a sentence
"I think the term precocious is applicable as is free spirited."
"The shout of laughter that followed this was not in proportion to the depth but the unexpectedness of the joke, and John Adams went on his way, chuckling at the impudence of what he called the precocious snipe."
"For a young kid, he's extremely precocious from a standpoint of being a professional pitcher."