adventive Hear it!

adventive definition

ad·ven·tive (ad ven′tiv)

adjective

not native to the environment; rarely or imperfectly naturalized

Etymology: L adventus (see Advent) + -ive

noun

an adventive plant or animal

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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