alien

²alien

noun

Definition of ALIEN

1

: a person of another family, race, or nation

2

: a foreign-born resident who has not been naturalized and is still a subject or citizen of a foreign country; broadly : a foreign-born citizen

3

: extraterrestrial

4

: exotic 1

Examples of ALIEN

1. aliens seeking asylum in the U.S.
2. He claims that he was captured by space aliens.

First Known Use of ALIEN

14th century