extraterrestrial

== English == === Alternative forms === extra-terrestrial === Etymology === From extra- +‎ terrestrial. === Pronunciation === IPA(key): /ˌɛk.stɹə.təˈɹɛs.tɹi.əl/ Hyphenation: ex‧tra‧ter‧res‧tri‧al === Adjective === extraterrestrial (comparative more extraterrestrial, superlative most extraterrestrial) Originating from outside of the Earth's atmosphere, from space, or from another planet; alien to Earth or its environment. ==== Derived terms ==== ==== Translations ==== === Noun === extraterrestrial (plural extraterrestrials) A being originating from outside of the Earth's atmosphere, from space, or from another planet; an alien. Synonyms: see Thesaurus:extraterrestrial ==== Related terms ==== ET ==== Translations ==== === See also === alien angel celestial spirit star visitor time traveler little green man