Word.ws English Dictionary

space alien

space alien noun: an extraterrestrial being; a visitor from outer space.

Noun

space alien (plural space aliens)

  1. (US) An extraterrestrial being; a visitor from outer space.
    • What would be the first question to ask a space alien newly arrived on planet Earth?1997 July 1, Janet Maslin, “Oh, Aliens: Business As Usual”, in New York Times

Synonyms of space alien

Forms of space alien

pluralspace aliens

Questions about space alien

What does space alien mean?
Space alien means an extraterrestrial being; a visitor from outer space.
What part of speech is space alien?
Space alien is a noun.
What is the plural of space alien?
The plural of space alien is space aliens.

Words near space alien in the dictionary

  1. space adaptation syndrome
  2. space age
  3. space agencies
  4. space agency
  5. space ages
  6. space alien
  7. space aliens
  8. space attenuation
  9. space attenuations
  10. space average
  11. space averages

Source and license

Adapted from Wiktionary: space alien (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “space alien.” Word.ws, https://word.ws/space_alien. Based on Wiktionary, CC BY-SA 4.0.