aliens

Noun

alien (plural aliens)

1. A person, animal, plant, or other thing which is from outside the family, group, organization, or territory under consideration.
   • An animated film intended to inform travellers about the dangers that alien species present to Arctic ecosystems is being released today. The message is that it is important to ensure that nobody accidentally brings alien species with them as stowaways in their clothing, baggage or equipment.2023 March 21 (last accessed), NOBANIS: European Network on Invasive Species

   Synonyms:

   fremd, guest, stranger

2. A citizen or national of another sovereign state.
   • An alien born may purchase lands, or other estates: but not for his own use; for the king is thereupon entitled to them.1773, William Blackstone, Commentaries on the laws of England: in four books, 5th edition, volume 1, page 372
3. (derogatory, sometimes) A mischievous or suspicious foreigner.
4. Any life form of extraterrestrial or extradimensional origin.
   • You might not have much use for me. You spend too much time with the damn aliens, pretending your time in the gangs back on Earth never happened. I know you weren't happy when I found you at the Citadel a couple years back.
     But I'm glad you're on this. I hope you find whoever took my people on...2010, BioWare, Mass Effect 2, Redwood City: Electronic Arts, →OCLC, PC, scene: Hello from the Reds
5. One excluded from certain privileges; one alienated or estranged.
   • […]aliens from the common wealth of Iſrael[…]1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], →OCLC, Ephesians 2:12, column 2

See all 10 meanings of alien