This meaning means a creature that lives on another planet. People often see aliens in stories and movies about space.
The movie shows an alien from space.
Astronauts want to find an alien life form.
This meaning refers to a person born in a different country who stays in another country. It can be used for legal or illegal immigrants.
He is an alien living in the city.
Many aliens work and study here.
This meaning is more formal and legal. It means a person who lives in a country but is not a citizen there. They may have special rules.
Aliens must follow local laws here.
An alien needs a permit to work.
This meaning is used to describe a person who feels different or does not fit in with the people around them. It shows a feeling of being alone or strange.
He felt like an alien at the new school.
She was an alien in the small town.
When used as an adjective, alien means something that does not belong or is very different from what is normal or usual in a place or group.
Alien ideas can be hard to accept.
They found alien plants in the garden.
In legal or official language, alien can describe things like property, rights, or possessions that belong to a foreign person or government.
The company controls alien assets abroad.
Alien rights are protected by law.
This verb means to cause someone to feel alone or not part of a group. It can describe making others feel strange or strange to themselves.
His behavior alienated many friends.
She alienated her family by lying.
This phrase means a legal list or record that non-citizens must join or have. It is used in some countries to control foreigners.
Aliens need alien registration cards.
Alien registration is important in Japan.
