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Added 9 October 2026

alien

/ˈeɪ.li.ən/ noun

In Latin: peregrīnus, aliēnus Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about alien at Wordnik → Where our words come from →

A person who comes from a foreign country; someone who does not owe allegiance to your country.
Anyone who does not belong in the environment in which they are found.
A form of life assumed to exist outside the Earth or its atmosphere.

verb

Transfer property or ownership.
The will aliened the property to the heirs

adjective

Not contained in or deriving from the essential nature of something.
an economic theory alien to the spirit of capitalism
Being or from or characteristic of another place or part of the world.
alien customs

Origin

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.

From Wiktionary, via Kaikki.org (CC BY-SA)

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