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Definition of "extraterrestrial" []

  • Originating, located, or occurring outside Earth or its atmosphere: intelligent extraterrestrial life. (adjective)
  • An extraterrestrial being or life form. (noun)

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 "extraterrestrial" in a sentence
  • "My spouse Xualaxar and I find lots of inherent interest in extraterrestrial romance."
  • ""I don't really believe in extraterrestrial life, but if we set something up like that, we'd be prepared for anything," said Brandon Coby, 23 years old, a biology major at the University of Colorado."
  • "There, during the 60s and 70s, nearly all of the Apollo astronauts who walked on the moon were taught the basics in extraterrestrial exploration and earthworks."