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Definition of extraterrestrial noun from the Oxford Advanced Learner's Dictionary

extraterrestrial

noun

/ˌekstrətəˈrestriəl/

/ˌekstrətəˈrestriəl/

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(in stories) a creature that comes from another planet; a creature that may exist on another planetTopics Spacec2

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See extraterrestrial in the Oxford Advanced American Dictionary

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adjective

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C1

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