Extraterrestrial

ahd-5
  • adjective. Originating, located, or occurring outside Earth or its atmosphere.
  • noun. An extraterrestrial being or life form.
  • The Century Dictionary and Cyclopedia
  • Occurring outside of the earth; extramundane.
  • the GNU version of the Collaborative International Dictionary of English
  • adjective. originating or located or occurring outside Earth or its atmosphere.
  • noun. a hypothetical form of life existing outside the Earth or its atmosphere, especially intelligent life on other planets or in other solar systems.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • adjective. Originating from outside of the Earth's atmosphere, from space, or from another planet; alien to Earth or its environment.
  • noun. A being originating from outside of the Earth's atmosphere, from space, or from another planet; an alien
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. a form of life assumed to exist outside the Earth or its atmosphere
  • adjective. originating or located or occurring outside Earth or its atmosphere