Word.ws English Dictionary

Alien Day

Alien Day proper noun: april 26, as a "fan holiday" celebrating the science-fiction horror franchise Alien. The date 4/26 is in reference to fictional planet LV-426 where the Xenomorph was first unveiled.

Proper noun

Alien Day

  1. (slang) April 26, as a "fan holiday" celebrating the science-fiction horror franchise Alien. The date 4/26 is in reference to fictional planet LV-426 where the Xenomorph was first unveiled.
    • The Bottleneck Gallery in Williamsburg, Brooklyn is also holding an Alien Day special2016, Carl Franzen, “Happy Alien Day!”, in Popular Science
    • Happy Alien Day, everyone! Did Father Xenomorphmas bring you any pulsating, slimy sacks of goodness? Have you face-hugged someone today?2016, James White, “Alien Day: Neill Blomkamp posts new Newt art”, in Empire

Examples of Alien Day in a sentence

  • To celebrate Alien Day, 20th Century Fox dropped its latest prologue short called "The Crossing" alongside a terrifying VR experience.2017, Victoria Wollaston, “You can now experience the horror of Alien: Covenant in VR”, in Wired:
  • Having recently seen the original film in a theater on “Alien Day”, it’s amazing how far visual effects have come in the last 38 years.2017, Mark Cerulli, “Ridley Scott Goes Back To His Alien Roots With ALIEN: COVENANT”, in Fangoria:
  • For those who are into aliens, this is your lucky day – Wednesday 26 April is ‘Alien Day’.2017, Imogen Groome, “Here’s why April 26 is Alien Day”, in Metro, London:
  • Alien Day is an unofficial holiday for fans of the iconic space-horror franchise.2017, Josie Griffiths, “What is Alien Day, why is it today, what special events are taking place and when is Alien: Covenant out?”, in The...

Forms of Alien Day

alternative formAliens Day

Origin of Alien Day

From alien + day.

Questions about Alien Day

What does Alien Day mean?
Alien Day means april 26, as a "fan holiday" celebrating the science-fiction horror franchise Alien. The date 4/26 is in reference to fictional planet LV-426 where the Xenomorph was first unveiled.
How do you use Alien Day in a sentence?
To celebrate Alien Day, 20th Century Fox dropped its latest prologue short called "The Crossing" alongside a terrifying VR experience.
What part of speech is Alien Day?
Alien Day is a proper noun.

Words near Alien Day in the dictionary

  1. alief
  2. aliefs
  3. alien
  4. alien abduction
  5. alien abductions
  6. Alien Day
  7. alien hand syndrome
  8. alien hand syndromes
  9. alien nucleic acid
  10. alien nucleic acids
  11. alien prior

Source and license

Adapted from Wiktionary: Alien Day (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.

Last updated:

Cite this entry: “Alien Day.” Word.ws, https://word.ws/alien_day. Based on Wiktionary, CC BY-SA 4.0.