The meaning of ALIEN is belonging or relating to another person, place, or thing : strange. How to use alien in a sentence. Usage of Alien: Usage Guide Synonym Discussion of Alien.

/ ˈeɪ·li·ən / coming from a different country, race, or group; foreign: alien customs (Definition of alien from the Cambridge Academic Content Dictionary © Cambridge University Press)

ALIEN definition: a creature from outer space; extraterrestrial. See examples of alien used in a sentence.

1. a foreign-born resident who has not been naturalized and who owes allegiance to another country. 2. a foreigner. 3. a person who has been estranged or excluded. 4. an extraterrestrial.

Factsheet What does the word alien mean? There are 15 meanings listed in OED's entry for the word alien. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Alien means belonging to a different country, race, or group, usually one you do not like or are frightened of. He said they were opposed to the presence of alien forces in the region. You use alien to …

Definition of alien noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

alien meaning, definition, what is alien: very different from what you are used to...: Learn more.

5 days ago · alien (plural aliens) A person, animal, plant, or other thing which is from outside the family, group, organization, or territory under consideration. quotations

al•ien (āl′ yən, ā′ lē ən), n. Government a resident born in or belonging to another country who has not acquired citizenship by naturalization (distinguished from citizen). a foreigner. a person who has …