Standard Lemma guide

extraterrestrial

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
Real reading context

extraterrestrial in complete knowledge articles