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1

extraterrestrial

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adjective ex·tra·ter·res·tri·al \-tə-ˈres-trē-əl, -ˈres(h)-chəl\

Simple Definition of extraterrestrial

  • : coming from or existing outside the planet Earth

Source: Merriam-Webster's Learner's Dictionary

Full Definition of extraterrestrial

  1. :  originating, existing, or occurring outside the earth or its atmosphere <extraterrestrial life>

1848

First Known Use of extraterrestrial

1848


2

extraterrestrial

noun ex·tra·ter·res·tri·al

Definition of extraterrestrial

  1. :  an extraterrestrial being



1950

First Known Use of extraterrestrial

1950


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