## Meanings
1. A creature from another planet or from outer space.
2. Strange and unfamiliar; very different from what you are used to.
3. A person who is a citizen of another country; a foreigner.
4. To cause someone to feel distant or unfriendly where there was once warmth.

## Examples
- The film tells the story of aliens landing on Earth.
- The customs of the remote village felt completely alien to her.
- As an alien, he needed a special permit to work in the country.
- His harsh words aliened the very friends who had supported him.

## Synonyms
- foreigner
- outlander

## Derived Forms
- alienage
- alienish
- alienlike
- aliensdidit

## Roots and Affixes
- Root: *h₂el- (other)
- Root: alien
- Root: aliēnus
- Root: alius
- Root: *h₂élyos

## 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.

## AI Etymology
Alien is 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. Important recorded forms include *h₂el- (other) (Proto-Indo-European), alien (Middle English), aliēnus (Latin), alius (Latin), and *h₂élyos (Proto-Indo-European). Current senses include a creature from another planet or from outer space, strange and unfamiliar; very different from what you are used to, and a person who is a citizen of another country; a foreigner. The wider family includes derived forms such as alienage, alienish, alienlike, and aliensdidit.

## Topics
- Space, Position & Direction
- People & Society

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