extraterrestrial Hear it!

extraterrestrial definition

extra·ter·res·tri·al (-tə res′trē əl)

adjective

existing, taking place, or coming from outside the limits of the earth

noun

an extraterrestrial being, as in science fiction

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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