extraterrestrial
adjective
- pertaining to outer space
noun
- being from outer space
- lifeform that does not originate from Earth
Wiktionary
Pronunciation: /ˌɛk.stɹə.təˈɹɛs.tɹi.əl/
adj
Etymology: Etymology tree Proto-Indo-European *h₁éǵʰ Proto-Indo-European *-s Proto-Indo-European *h₁éǵʰs Proto-Indo-European *-teros Proto-Indo-European *h₁eǵʰsteros Proto-Italic *eksteros Latin exter Latin extrā English extra- English terrestrial English extraterrestrial From extra- + terrestrial.
- 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.”
noun
Etymology: Etymology tree Proto-Indo-European *h₁éǵʰ Proto-Indo-European *-s Proto-Indo-European *h₁éǵʰs Proto-Indo-European *-teros Proto-Indo-European *h₁eǵʰsteros Proto-Italic *eksteros Latin exter Latin extrā English extra- English terrestrial English extraterrestrial From extra- + terrestrial.
- 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.”