Dec 5, 2015 · 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 …

/ 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.

Alien means belonging to a different country, race, or group, usually one you do not like or are frightened of.

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

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.