adj · noun · 4 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
/ˌɛk.stɹə.təˈɹɛs.tɹi.əl/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:EH2 K S T R AH0 T ER0 EH1 S T R IY0 AH0 L
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Originating from outside of the Earth's atmosphere, from space, or from another planet; alien to Earth or its environment.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A being originating from outside of the Earth's atmosphere, from space, or from another planet; an alien.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
adjective
Meaning 3
originating or located or occurring outside Earth or its atmosphere
Definition source: Princeton WordNet 3.0
Examples
is there extraterrestrial life?
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
a form of life assumed to exist outside the Earth or its atmosphere
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: extraterrestrial being, alien
Antonyms: none provided
Broader terms: hypothetical creature
History
Etymology
Etymology tree Proto-Indo-European *h1éǵh Proto-Indo-European *-s Proto-Indo-European *h1éǵhs Proto-Indo-European *-teros Proto-Indo-European *h1eǵhsteros Proto-Italic *eksteros Latin exter Latin extrā English extra- English terrestrial English extraterrestrial From extra- + terrestrial.
Across languages
Translations
136 source translations are retained for this English entry.
Albanian:
jashtëtokësor
— originating from outside of the Earth
Arabic:
قَائِم خَارِجَ الْأَرْض
(qāʔim ḵārija l-ʔarḍ)
— originating from outside of the Earth
Armenian:
այլմոլորակային
(aylmolorakayin)
— originating from outside of the Earth
Asturian:
estraterrestre
— originating from outside of the Earth
Azerbaijani:
yadplanetli
— originating from outside of the Earth
Belarusian:
пазазе́мны
(pazazjémny)
— originating from outside of the Earth
Belarusian:
пазазямны́
(pazazjamný)
— originating from outside of the Earth
Belarusian:
іншаплане́тны
(inšaplanjétny)
— originating from outside of the Earth
Belarusian:
іншаплянэ́тны
(inšapljanétny)
— originating from outside of the Earth
Bulgarian:
извънзе́мен
(izvǎnzémen)
— originating from outside of the Earth
Catalan:
extraterrestre
— originating from outside of the Earth
Chinese Mandarin:
地球外的
(dìqiúwài de)
— originating from outside of the Earth
Chinese Mandarin:
外星的
(wàixīng de)
— originating from outside of the Earth
Czech:
mimozemský
— originating from outside of the Earth
Danish:
udenjordisk
— originating from outside of the Earth
Dutch:
buitenaards
— originating from outside of the Earth
Esperanto:
ekstertera
— originating from outside of the Earth
Estonian:
maaväline
— originating from outside of the Earth
Finnish:
avaruus-
— originating from outside of the Earth
French:
extraterrestre
— originating from outside of the Earth
Galician:
extraterrestre
— originating from outside of the Earth
Georgian:
არამიწიერი
(aramic̣ieri)
— originating from outside of the Earth
German:
außerirdisch
— originating from outside of the Earth
German:
extraterrestrisch
— originating from outside of the Earth
Greek:
εξωγήινος
(exogíinos)
— originating from outside of the Earth
Hindi:
परग्रही
(paragrahī)
— originating from outside of the Earth
Hungarian:
földönkívüli
— originating from outside of the Earth
Italian:
extraterrestre
— originating from outside of the Earth
Japanese:
地球外
(chikyūgai)
— originating from outside of the Earth
Kazakh:
Жерден тыс
(Jerden tys)
— originating from outside of the Earth
Kazakh:
бөгдеғаламдық
(bögdeğalamdyq)
— originating from outside of the Earth
Korean:
지구밖
(jigu-bak)
— originating from outside of the Earth
Korean:
외계의
(oegye-ui)
— originating from outside of the Earth
Kyrgyz:
Жерден тышкаркы
(Jerden tışkarkı)
— originating from outside of the Earth
Latin:
extrāterrestriālis
— originating from outside of the Earth
Latin:
extrāterrestris
— originating from outside of the Earth
Latin:
extrā terram
— originating from outside of the Earth
Latvian:
ārpuszemes
— originating from outside of the Earth
Lithuanian:
nežemiškas
— originating from outside of the Earth
Macedonian:
вонземски
(vonzemski)
— originating from outside of the Earth
Manx:
neuhallooinagh
— originating from outside of the Earth
Norwegian Bokmål:
utenomjordisk
— originating from outside of the Earth
Occitan:
extraterrèstre
— originating from outside of the Earth
Persian:
فرازمینی
(farâ-zamini)
— originating from outside of the Earth
Polish:
pozaziemski
— originating from outside of the Earth
Portuguese:
extraterrestre
— originating from outside of the Earth
Romanian:
extraterestru
— originating from outside of the Earth
Russian:
внеземно́й
(vnezemnój)
— originating from outside of the Earth
Russian:
иноплане́тный
(inoplanétnyj)
— originating from outside of the Earth
Russian:
неземно́й
(nezemnój)
— originating from outside of the Earth
Scots:
extraeterrestrial
— originating from outside of the Earth
Serbo-Croatian:
ванзема̀љски
— originating from outside of the Earth
Serbo-Croatian:
изванзема̀љскӣ
— originating from outside of the Earth
Serbo-Croatian:
vanzemàljski
— originating from outside of the Earth
Serbo-Croatian:
izvanzemàljskī
— originating from outside of the Earth
Slovak:
mimozemský
— originating from outside of the Earth
Slovene:
nezemeljski
— originating from outside of the Earth
Spanish:
extraterrestre
— originating from outside of the Earth
Spanish:
alienígena
— originating from outside of the Earth
Swedish:
utomjordisk
— originating from outside of the Earth
Tajik:
берун аз Замин
(berun az Zamin)
— originating from outside of the Earth
Tajik:
хориҷи Замин
(xorij-i Zamin)
— originating from outside of the Earth
Turkish:
uzaylı
— originating from outside of the Earth
Turkish:
dünya dışı
— originating from outside of the Earth
Ukrainian:
позазе́мний
(pozazémnyj)
— originating from outside of the Earth
Ukrainian:
неземни́й
(nezemnýj)
— originating from outside of the Earth
Ukrainian:
іноплане́тний
(inoplanétnyj)
— originating from outside of the Earth
Ukrainian:
іншоплане́тний
(inšoplanétnyj)
— originating from outside of the Earth
Uzbek:
yerdan tashqaridagi
— originating from outside of the Earth
Vietnamese:
ngoài trái đất
— originating from outside of the Earth
Vietnamese:
ngoài Trái Đất
— originating from outside of the Earth
Vietnamese:
ngoài hành tinh
— originating from outside of the Earth
Arabic:
فَضَائِيّ
(faḍāʔiyy)
— being originating from outside of the Earth
Arabic:
فَضَائِيَّة
(faḍāʔiyya)
— being originating from outside of the Earth
Armenian:
այլմոլորակային
(aylmolorakayin)
— being originating from outside of the Earth
Azerbaijani:
yadplanetli
— being originating from outside of the Earth
Belarusian:
іншапланеця́нін
(inšaplanjecjánin)
— being originating from outside of the Earth
Belarusian:
іншапланеця́нка
(inšaplanjecjánka)
— being originating from outside of the Earth
Belarusian:
чужапланеця́нін
(čužaplanjecjánin)
— being originating from outside of the Earth
Belarusian:
чужапланеця́нка
(čužaplanjecjánka)
— being originating from outside of the Earth
Bulgarian:
извънзе́мен
(izvǎnzémen)
— being originating from outside of the Earth
Bulgarian:
извънзе́мна
(izvǎnzémna)
— being originating from outside of the Earth
Catalan:
extraterrestre
— being originating from outside of the Earth
Chinese Mandarin:
外星人
(wàixīngrén)
— being originating from outside of the Earth
Chinese Mandarin:
宇宙人
(yǔzhòurén)
— being originating from outside of the Earth
Czech:
mimozemšťan
— being originating from outside of the Earth
Czech:
mimozemšťanka
— being originating from outside of the Earth
Danish:
rumvæsen
— being originating from outside of the Earth
Danish:
alien
— being originating from outside of the Earth
Dutch:
ruimtewezen
— being originating from outside of the Earth
Dutch:
alien
— being originating from outside of the Earth
Esperanto:
eksterterano
— being originating from outside of the Earth
Estonian:
tulnukas
— being originating from outside of the Earth
Finnish:
avaruusolento
— being originating from outside of the Earth
Finnish:
avaruusolio
— being originating from outside of the Earth
French:
extraterrestre
— being originating from outside of the Earth
Galician:
extraterrestre
— being originating from outside of the Earth
Georgian:
უცხოპლანეტელი
(ucxoṗlaneṭeli)
— being originating from outside of the Earth
German:
Außerirdischer
— being originating from outside of the Earth
German:
Außerirdische
— being originating from outside of the Earth
Greek:
εξωγήινος
(exogíinos)
— being originating from outside of the Earth
Hindi:
परग्रही
(paragrahī)
— being originating from outside of the Earth
Hungarian:
földönkívüli
— being originating from outside of the Earth
Hungarian:
űrlény
— being originating from outside of the Earth
Irish:
eachtardhomhandach
— being originating from outside of the Earth
Japanese:
宇宙人
(uchūjin)
— being originating from outside of the Earth
Japanese:
異星人
(iseijin)
— being originating from outside of the Earth
Korean:
우주인
(uju'in)
— being originating from outside of the Earth
Latin:
ēns extrā terram
— being originating from outside of the Earth
Macedonian:
вонзе́мјанин
(vonzémjanin)
— being originating from outside of the Earth
Macedonian:
вонзе́мјанка
(vonzémjanka)
— being originating from outside of the Earth
Norwegian Bokmål:
romvesen
— being originating from outside of the Earth
Polish:
kosmita
— being originating from outside of the Earth
Polish:
kosmitka
— being originating from outside of the Earth
Portuguese:
extraterrestre
— being originating from outside of the Earth
Romanian:
extraterestru
— being originating from outside of the Earth
Russian:
инопланетя́нин
(inoplanetjánin)
— being originating from outside of the Earth
Russian:
инопланетя́нка
(inoplanetjánka)
— being originating from outside of the Earth
Russian:
иноплане́тник
(inoplanétnik)
— being originating from outside of the Earth
Serbo-Croatian:
ванзема́љац
— being originating from outside of the Earth
Serbo-Croatian:
изванзема́љац
— being originating from outside of the Earth
Serbo-Croatian:
vanzemáljac
— being originating from outside of the Earth
Serbo-Croatian:
izvanzemáljac
— being originating from outside of the Earth
Slovak:
mimozemšťan
— being originating from outside of the Earth
Slovak:
mimozemšťanka
— being originating from outside of the Earth
Slovene:
nezemljan
— being originating from outside of the Earth
Slovene:
nezemljanka
— being originating from outside of the Earth
Spanish:
extraterrestre
— being originating from outside of the Earth
Swedish:
utomjording (utomjordling)
— being originating from outside of the Earth
Turkish:
uzaylı
— being originating from outside of the Earth
Ukrainian:
іншопланетя́нин
(inšoplanetjányn)
— being originating from outside of the Earth
Ukrainian:
іншопланетя́нка
(inšoplanetjánka)
— being originating from outside of the Earth
Ukrainian:
чужопланетя́нин
(čužoplanetjányn)
— being originating from outside of the Earth
Ukrainian:
чужопланетя́нка
(čužoplanetjánka)
— being originating from outside of the Earth
Ukrainian:
інопланетя́нин
(inoplanetjányn)
— being originating from outside of the Earth
Ukrainian:
інопланетя́нка
(inoplanetjánka)
— being originating from outside of the Earth