Meaning of “extraterrestrial” in the English Dictionary

british dictionary

"extraterrestrial" in British English

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(Definition of “extraterrestrial” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"extraterrestrial" in American English

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extraterrestrialadjective [ not gradable ]

us /ˌek·strə·təˈres·tri·əl/

(coming from) outside the planet earth:

extraterrestrial objects like meteorites and asteroids

(Definition of “extraterrestrial” from the Cambridge Academic Content Dictionary © Cambridge University Press)