Originating from outside of the Earth's atmosphere, from space, or from another planet; alien to Earth or its environment.
Residents of the city of Voronezh insisted today that lanky, three-eyed extraterrestrial creatures had indeed landed in a local park and gone for a stroll and that a seemingly fantastic report about the event carried Monday by the official press agency Tass was absolutely true.
A being originating from outside of the Earth's atmosphere, from space, or from another planet; an alien.
Smith returns in Men In Black 3 as a veteran agent of a secret organization dedicated to policing the earth’s many extraterrestrials.
From extra- + terrestrial.
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