noun “alien”
singular alien, plural aliens
- a person who comes from a different country and is now living in a new one
Sign up to see the translation of definitions and examples into any language.
Many aliens seek refuge in new countries to escape difficult conditions in their homeland.
- a creature that comes from somewhere outside of Earth
The spaceship landed, and out stepped an alien with green skin and large, black eyes.
adjective “alien”
base form alien, non-gradable
- extremely different or not related to what is normal or expected
The customs of the distant tribe were completely alien to the tourists.
- similar to or characteristic of beings from outer space
The skull they found in the forest seemed alien.