Word.ws English Dictionary

alien

/ˈeɪ.li.ən/

alien noun: a person, animal, plant, or other thing which is from outside the family, group, organization, or territory under consideration.

Noun

alien (plural aliens)

  1. A person, animal, plant, or other thing which is from outside the family, group, organization, or territory under consideration.
    • An animated film intended to inform travellers about the dangers that alien species present to Arctic ecosystems is being released today. The message is that it is important to ensure that nobody accidentally brings alien species with them as stowaways in their clothing, baggage or equipment.2023 March 21 (last accessed), NOBANIS: European Network on Invasive Species
    Synonyms:
    fremd, guest, stranger
  2. A citizen or national of another sovereign state.
    • An alien born may purchase lands, or other estates: but not for his own use; for the king is thereupon entitled to them.1773, William Blackstone, Commentaries on the laws of England: in four books, 5th edition, volume 1, page 372
    • The counsel have shown conclusively that they are not a state of the union, and have insisted that individually they are aliens, not owing allegiance to the United States.1831, John Marshall, Cherokee Nation v. Georgia, U.S. Government
  3. (derogatory, sometimes) A mischievous or suspicious foreigner.
  4. Any life form of extraterrestrial or extradimensional origin.
    • You might not have much use for me. You spend too much time with the damn aliens, pretending your time in the gangs back on Earth never happened. I know you weren't happy when I found you at the Citadel a couple years back.
      But I'm glad you're on this. I hope you find whoever took my people on...2010, BioWare, Mass Effect 2, Redwood City: Electronic Arts, →OCLC, PC, scene: Hello from the Reds
  5. One excluded from certain privileges; one alienated or estranged.
    • […]aliens from the common wealth of Iſrael[…]1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], →OCLC, Ephesians 2:12, column 2
    • The One Who, in this marvellous utterance, brings those who were by nature aliens and enemies of God into intimate and holy relations with God the Father, is the very One Who had to come to offer that Sacrifice without which such relationship would have been forever an impossibility; without which...1928, Philip Mauro, “The Character of the Sermon on the Mount”, in The Gospel of the Kingdom, with an Examination of Modern Dispensationalism (Religion), Boston: Hamilton Brothers, →OCLC, page 182

Adjective

alien (comparative more alien, superlative most alien)

  1. Not belonging to the same country, land, or government, or to the citizens or subjects thereof; foreign.
    • alien subjects, enemies, property, or shores
  2. Very unfamiliar, strange, or removed.
    • principles alien to our religion
    • An alien sound of melancholy.1850, William Wordsworth, The Prelude
    Synonyms:
    monstrous, weird, aberrant, abnormal, anomalous, as queer as Dick's hatband, bizarre, booky, curious, deviant
  3. Pertaining to extraterrestrial life; typical of an extraterrestrial creature.
    • It had a peculiar alien tallness, a peculiar alien flattened head, peculiar slitty little alien eyes[.]1982, Douglas Adams, Life, the Universe and Everything, page 8

Verb

alien (third-person singular simple present aliens, present participle aliening, simple past and past participle aliened)

  1. (transitive) To estrange; to alienate.
  2. To transfer the ownership of something.

Proper noun capitalized: Alien

Alien

  1. (alternative) Alternative form of Alian.
    • Premier Chiang Ching-kuo traveled to Alien village in Kaohsiung county May 23 to inspect the Chung-chou No. 3 oilwell prospect of Chinese Petroleum Corporation.1977, 光華畫報, volume 2, numbers 2-12, →OCLC, page 25
    • A woman holds up two bowls containing eggs at a press conference in Taipei yesterday. The left contains a regular egg, while the other bowl is an SGS-certified egg from Taiwan’s first company to use humanely raised egg-laying hens from Europe, the Shih An Farm in Greater Kaohsiung’s Alien District.2012 July 5, Lee I-chia, “COA fights for hens’ rights”, in Taipei Times, →ISSN, →OCLC, archived from the original on 06 Jul 2012, Taiwan News, page 3

alien meaning in Hindi, Urdu, Bengali and Malayalam

alien in Hindi

person, etc. from outside
अनजाना anjānā, अनजानी anjānī, बाहरी bāhrī, विदेशी videśī, परदेसी pardesī
foreigner
विदेशी videśī, अन्यदेशीय anyadeśīya, परदेसी pardesī
life form of non-Earth origin
परग्रही paragrahī
not belonging to the same country
विदेशी videśī

alien in Urdu

person, etc. from outside
اجنبی ajnabī
foreigner
اَجْنَبی ajnabī, پَرْدیسی pardesī, بیگانَہ begāna

alien in Bengali

এলিয়েন

alien in Malayalam

അന്യഗ്രഹജീവി
More languagesFewer languages
alien in Gujarati
પરાયું, પરગ્રહવાસી, એલિયન
alien in Arabic
غَرِيب ḡarīb, غَرِيبَة ḡarība, أَجْنَبِيّ ʔajnabiyy, أَجْنَبِيَّة ʔajnabiyya
alien in Malay
makhluk asing
alien in Indonesian
orang asing, makhluk luar, makhluk angkasa, makhluk asing
alien in Persian
بیگانه bigane
alien in Thai
ฝรั่ง fà-ràng, มนุษย์ต่างดาว má-nút-dtàang-daao, ต่างประเทศ dtàang-bprà-têet, ต่างด้าว dtàang-dâao
alien in Vietnamese
người nước ngoài, người ngoại quốc, người ngoài hành tinh

Examples of alien in a sentence

  • Science fiction often imagines alien civilizations in the depths of outer space.
  • A spin-off book series revealed the aliens to be originally from Earth, but it's not canon.
  • The aliens in the science-fiction film wanted to assimilate human beings into their own race.

All 40 example sentences with alien

Synonyms of alien

30 more synonymsFewer synonyms

All synonyms of alien

Forms of alien

Noun
pluralaliens
alternative formalyaunte
Adjective
comparativemore alien
superlativemost alien
Verb
third-person singular presentaliens
present participlealiening
past participlealiened
pastaliened
alternative formaliene

Plural of alien: aliens

Origin of alien

From Middle English alien, a borrowing from Old French alien, aliene, from Latin aliēnus (“belonging to someone else”, later “exotic, foreign”), from Latin alius (“other”), from Proto-Indo-European *h₂élyos. Related to English else.

Borrowed from Mandarin 阿蓮 (Ālián) Wade–Giles romanization: A¹-lien².

Words formed from alien

Phrases with alien

Words that rhyme with alien

Questions about alien

What does alien mean?
Alien means a person, animal, plant, or other thing which is from outside the family, group, organization, or territory under consideration.
What is alien in Hindi?
Alien in Hindi is अनजाना (anjānā), अनजानी (anjānī), बाहरी (bāhrī). See Alien meaning in Hindi.
What part of speech is alien?
Alien can be a noun, an adjective, a verb or a proper noun.
How do you pronounce alien?
Alien is pronounced /ˈeɪ.li.ən/.
What is the plural of alien?
The plural of alien is aliens.

Words near alien in the dictionary

  1. Alidhuffarufinolhu
  2. Alids
  3. alie
  4. alief
  5. aliefs
  6. alien
  7. alien abduction
  8. alien abductions
  9. Alien Day
  10. alien hand syndrome
  11. alien hand syndromes

Source and license

Adapted from Wiktionary: alien (page history and authors); Alien (page history and authors); alien (Bengali, IndicTrans2 machine translation) (model and license); alien (Malayalam, IndicTrans2 machine translation) (model and license); alien (Gujarati, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: En-us-alien.ogg.

Cite this entry: “alien.” Word.ws, https://word.ws/alien. Based on Wiktionary, CC BY-SA 4.0.