Alien

/ˈeɪliən/

nounBeginnerVery CommonScience

Definitions

2 meanings
1

A being from a planet other than Earth.

/ˈeɪliən/

nounneutralBeginner
Science

A creature from another planet.

The spaceship was carrying several alien passengers.

💡 Simply: Someone or something from another world.

More Examples

2

Scientists are searching for signs of alien life.

How It's Used

Science Fiction

"The movie featured terrifying aliens with advanced weaponry."

Popular Culture

"Many popular books and films depict alien encounters."

2

Belonging to another country or place; foreign.

/ˈeɪliən/

adjectiveneutralBeginner
General

Foreign; strange; unfamiliar.

The customs official examined the alien documents.

💡 Simply: Strange, foreign, or unfamiliar.

More Examples

2

The customs of that tribe were alien to us.

How It's Used

Legal

"He was declared an alien resident."

General

"The concept felt completely alien to him."

Tip:Alien = a-lien, not belonging to your land.

From Middle French alien, from Latin alienus "belonging to another; foreign, strange," from alius "other," from Proto-Indo-European *al-yo-

The word 'alien' has a long history, initially referring primarily to foreign individuals or things, and later expanding to its science fiction connotations.

Memory tip

Think 'A-lien' - someone who is not from here.

aliennallian

Usage

70%Spoken
30%Written