extraterrestrial

/ˌɛkstɹətɚˈɛstɹi.əl/

IPA: /EH0 K S T R AH0 T ER0 EH1 S T R IY0 AH0 L/

noun

1
A being originating from outside of the Earth's atmosphere, from space, or from another planet; an alien

adjective

1
Originating from outside of the Earth's atmosphere, from space, or from another planet; alien to Earth or its environment.

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