extraterrestrial
Pronunciation:
/ˌɛkstɹətɚˈɛstɹi.əl//ˌɛk.stɹə.təˈɹɛst.ɹi.əl/noun
Definitions
A being originating from outside of the Earth's atmosphere, from space, or from another planet; an alien
adjective
Definitions
Originating from outside of the Earth's atmosphere, from space, or from another planet; alien to Earth or its environment.