extraterrestrial

Use Extraterrestrial in a sentence

extraterrestrial

[ek-struh-tuh-res-tree-uhl]
adjective
1.
outside, or originating outside, the limits of the earth.
noun
2.
an extraterrestrial being: a science fiction novel about extraterrestrials conquering the earth.

Origin:
1865–70; extra- + terrestrial

extraterrestrially, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
extraterrestrial (ˌɛkstrətɪˈrɛstrɪəl)
 
adj
1.  occurring or existing beyond the earth's atmosphere
 
n
2.  (in science fiction) a being from beyond the earth's atmosphere

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

extraterrestrial
1868 (adj.), 1963 (n.), from extra- + terrestrial.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
extraterrestrial   (ěk'strə-tə-rěs'trē-əl)  Pronunciation Key 
Originating, located, or occurring outside the Earth or its atmosphere.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
extraterrestrial [(ek-struh-tuh-res-tree-uhl)]

A descriptive term for things outside the Earth, such as possible civilizations outside the solar system, or objects, such as meteorites, that actually reach the Earth.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
To better recognize extraterrestrial life should they come upon it, scientists
  are working to create simple life forms in a lab.
For those who hanker after extraterrestrial life that is a pity.
As scientists continue their search for extraterrestrial water, it's good to be
  reminded why they're actually looking for it.
Humans have searched for extraterrestrial life for more than a century.
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