Meaning & use
alien
Unfamiliar and strange, as if belonging to a different place, culture, or world; also, belonging to a foreign country.
See it in a sentence
The customs of the remote village felt completely alien to the visiting journalist.
The law restricts certain jobs to citizens rather than alien residents.
A note on using this word
As a noun, "alien" can refer either to a foreign national living in another country or, informally, to a being from another planet.
Words with a similar meaning
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
Another way to use it
2. noun
A being from another planet, especially in science fiction, or a foreign national residing in a country.
The movie follows scientists making first contact with an alien species.
Make it your own
Write a sentence using “alien”, then compare your use with the examples above.