- Often Disparaging and Offensive. a resident of one country who was born in or owes allegiance to another country and has not acquired citizenship by naturalization in the country of residence (distinguished from citizen). See also resident alien, illegal alien.
- a foreigner.
- a person who has been estranged or excluded.
- a creature from outer space; extraterrestrial(def 2).
- residing under a government or in a country other than that of one's birth without having or obtaining the status of citizenship there.
- belonging or relating to aliens: alien property.
- unlike one's own; strange; not belonging to one: alien speech.
- adverse; hostile; opposed (usually followed by to or from): ideas alien to modern thinking.
- extraterrestrial(def 1).
Origin of alien
SynonymsSee more synonyms for alien on Thesaurus.com
Examples from the Web for alien
The idea that I might simply want to express my independent thoughts was alien to them.What It’s Like to Be an Atheist in Palestine
Waleed al-Husseini, Movements.Org
December 8, 2014
A limited number of medical patients will be able to purchase “Chunky Diesel” or “Alien Dawg” for just $100.Colorado Weed Dispensaries Celebrate ‘Green Friday’
November 28, 2014
“They treated me like an alien,” she says, explaining that North Koreans are viciously stereotyped in South Korea.How ‘Titanic ’Helped This Brave Young Woman Escape North Korea’s Totalitarian State
October 31, 2014
Last but not least, the Inhumans are a genetically advanced “inhuman race” that was formed via experimentation by the alien Kree.Inside Marvel’s Phase 3: How ‘The Avengers’ Cross Paths with Black Panther and the New Superheroes
October 30, 2014
Or maybe we just need one of those bogus “alien invasions” that Paul Krugman is always flapping his gums about.This One Picture of Telly Savalas Refutes All Fears That Progress Has Ended
October 30, 2014
Let me tell you, Mr. Cross, we are really in an alien country here.In the Valley
It had carried an alien note that overcame him with instinctive fear and horror.Salvage in Space
John Stewart Williamson
They were quiet for a while, and then Marsh turned to Henry and said, "Is that alien to you?"
At Rumpell's and at Boveyhayne he had had no sensation of alien origin.
His sense of being an alien in Dublin had persisted all the time that he had lived there.
- a person owing allegiance to a country other than that in which he lives; foreigner
- any being or thing foreign to the environment in which it now exists
- (in science fiction) a being from another world, sometimes specifically an extraterrestrial
- unnaturalized; foreign
- having foreign allegiancealien territory
- unfamiliar; strangean alien quality in a work of art
- (postpositive and foll by to) repugnant or opposed (to)war is alien to his philosophy
- (in science fiction) of or from another world
- (tr) rare to transfer (property, etc) to another
Word Origin and History for alien
mid-14c., "strange, foreign," from Old French alien "alien, strange, foreign; an alien, stranger, foreigner," from Latin alienus "of or belonging to another, foreign, alien, strange," also, as a noun, "a stranger, foreigner," adjectival form of alius "(an)other" (see alias). Meaning "not of the Earth" first recorded 1920. An alien priory (c.1500) is one owing obedience to a mother abbey in a foreign country.
"foreigner, citizen of a foreign land," from alien (adj.). In the science fiction sense, from 1953.