extraterrestrial

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extraterrestrial

  • /ˌɛk.stɹə.təˈɹɛs.tɹi.əl/

adjective more extraterrestrial · most extraterrestrial · extra-terrestrial

  1. Originating from outside of the Earth's atmosphere, from space, or from another planet; alien to Earth or its environment. Residents of the city of Voronezh insisted today that lanky, three-eyed extraterrestrial creatures had indeed landed in a local park and gone for a stroll and that a seemingly fantastic report about the event carried Monday by the official press agency Tass was absolutely true.

noun extraterrestrials · extra-terrestrial

  1. A being originating from outside of the Earth's atmosphere, from space, or from another planet; an alien. Smith returns in Men In Black 3 as a veteran agent of a secret organization dedicated to policing the earth’s many extraterrestrials.

    Similar: alien, extraterrestrial, ET, little green man, LGM, xenomorph

Opposite: Earthling, Terran, terrestrial

Thesaurus

Closest in meaning: alien, extraterrestrial being, extraterrestial, exterrestrial, exotic, extrasolar, exobiological, exterraneous, ultratelluric, exogenetic, exogenic, exoatmospheric, spacy, exoterrene, outer-spacey, earthish

noun

Opposite: Earthling, Terran, terrestrial

Translations

Every language

adj originating from outside of the Earth

Españolextraterrestre, alienígena
한국어지구밖 jigu-bak, 외계의 oegye-ui
日本語地球外 chikyūgai
中文地球外的 dìqiúwài de, 外星的 wàixīng de
हिन्दीपरग्रही paragrahī
Portuguêsextraterrestre
Françaisextraterrestre
Deutschaußerirdisch, extraterrestrisch
Italianoextraterrestre
Ελληνικάεξωγήινος exogíinos
Românăextraterestru
Русскийвнеземно́й vnezemnój, иноплане́тный inoplanétnyj, неземно́й nezemnój
Tiếng Việtngoài trái đất, ngoài Trái Đất, ngoài hành tinh
العربيةقَائِم خَارِجَ الْأَرْض qāʔim ḵārija l-ʔarḍ

noun being originating from outside of the Earth

Españolextraterrestre
한국어우주인 uju'in
日本語宇宙人 uchūjin, 異星人 iseijin
中文外星人 wàixīngrén, 宇宙人 yǔzhòurén
हिन्दीपरग्रही paragrahī
Portuguêsextraterrestre
Françaisextraterrestre
DeutschAußerirdischer, Außerirdische
Ελληνικάεξωγήινος exogíinos
Românăextraterestru
Русскийинопланетя́нин inoplanetjánin, инопланетя́нка inoplanetjánka, иноплане́тник inoplanétnik
العربيةفَضَائِيّ faḍāʔiyy, فَضَائِيَّة faḍāʔiyya

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MLA

"extraterrestrial." Wiktionary, via Micwyn, micwyn.com/word/extraterrestrial. Accessed 6 Nov. 2026.

APA

extraterrestrial. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/extraterrestrial

Chicago

"extraterrestrial." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/extraterrestrial.

BibTeX
@misc{extraterrestrial_2026,
  title = {extraterrestrial},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/extraterrestrial},
  urldate = {2026-11-06}
}