Main navigation

Definition of "alien" [al•ien]

  • Owing political allegiance to another country or government; foreign: alien residents. (adjective)
  • Belonging to, characteristic of, or constituting another and very different place, society, or person; strange. See Synonyms at foreign. (adjective)
  • Dissimilar, inconsistent, or opposed, as in nature: emotions alien to her temperament. (adjective)
  • An unnaturalized foreign resident of a country. Also called noncitizen. (noun)
  • A person from another and very different family, people, or place. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "alien" in a sentence
  • "FACT: United States Code, Title 8, Chapter 12, Subchapter II, Part VIII, Section 1324a, states: “It is unlawful for a person or other entity to hire for employment in the United States, an alien, knowing the alien is an unauthorized alien…"
  • "MISCELLANEOUS WORDS. adobe _ado'ba_ algebra not _bra_ alien _alyen_, not _alien_ ameliorate _amelyorate_ antarctic _antarktik_ anti not _anti_ archangel _arkangel_ archbishop _arch_, not _ark_ arch fiend _arch_, not _ark_ architect _arkitect_ awkward _awkward_, not _ard_"
  • "Our buddy the margin alien is taking centre stage at another subcontinent for the next month."