alien
word
Definition
An alien is a creature from another planet or, in formal or legal use, a person from another country. It can also describe something that feels strange or unfamiliar.
Usage & Nuances
The most common everyday meaning is 'creature from space'. In legal or official contexts, 'alien' for a foreign national exists but often sounds formal, old-fashioned, or impersonal; 'foreigner', 'immigrant', or more specific terms are often preferred. As an adjective, common patterns include 'alien planet', 'alien life', and 'feel alien to me'.
Example Sentences
The office culture felt completely alien at first, but I got used to it.
natural
The movie is about an alien from Mars.
basic
Some of these plants look alien to me.
basic
In that old law, an alien means a person from another country.
basic
If we ever find alien life, it will change science forever.
natural
The idea of living alone in the mountains isn't alien to him at all.
natural