Meanings
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1
noun
A creature from another planet or from outer space.
The film tells the story of aliens landing on Earth.
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2
adj
Strange and unfamiliar; very different from what you are used to.
The customs of the remote village felt completely alien to her.
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3
noun
A person who is a citizen of another country; a foreigner.
As an alien, he needed a special permit to work in the country.
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4
verb
To cause someone to feel distant or unfriendly where there was once warmth.
His harsh words aliened the very friends who had supported him.
Thesaurus
Etymology
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.