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extraterrestrial

adjectivegeneral usecommon/ɛks.tɾɐ.tɛˈʁɛʃ.tɾɨ/ex·tra·te·rres·tre

Definition

Originating or existing outside of Earth; related to beings or objects from other planets.

“Extraterrestrial life is a theme of many movies.”

“Scientists are searching for signs of extraterrestrial life.”