extraterrestrial

Use Extraterrestrial in a sentence

ex·tra·ter·res·tri·al

[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

ex·tra·ter·res·tri·al·ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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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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00:10
Extraterrestrial has a plethora of syllables.
So is floccinaucinihilipilification. Does it mean:
the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
given to using long words.
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
The question of whether extraterrestrial life exists has always captivated
  astronomers and nonastronomers alike.
It would also be the first known extraterrestrial impact to affect modern
  humans.
To better recognize extraterrestrial life should they come upon it, scientists
  are working to create simple life forms in a lab.
The discovery of extraterrestrial intelligence, which is one of my favorites.
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