Word.ws English Dictionary

day-glo

day-glo is the alternative form of Day-Glo.

Proper noun capitalized: Day-Glo

Day-Glo

  1. A luminous paint that glows in a variety of brilliant colours, most commonly red or orange; used especially for outdoor advertising.
    • Cool shades and Day-Glo tears / All hide your sixteen years1980, “Spring Collection”, in New Clear Days, performed by The Vapors
    Synonyms:
    blacklight ink, blacklight-reactive ink, luminous paint, fluorescent paint

Adjective capitalized: Day-Glo

Day-Glo (not comparable)

  1. (colloquial) Very bright and luminous in colour.
    • Leon was in his most resplendent, gaudiest, Day-Glo getup, including a purple felt fez with multiple hangy-downs and a cranberry vestment with gold collar, appliquéd with every religious symbol known to man […]2011, Tim LaHaye, Jerry B. Jenkins, Glorious Appearing: The End of Days
    • The chip smells like nothing, but tastes like a smörgåsbord that’s both confusing and arousing, like Steve Buscemi. Flecks of spring green – the kind generated from radioactive waste – coat the unwieldy triangles. The seasoning is a kaleidoscope of Day-Glo dust particles that perishes under saliva...2022 April 20, Mariella Rudi, “Tostitos Hint of Lime has zero lime – but it’s still the perfect chip”, in The Guardian

Synonyms of day-glo

  • blacklight ink
  • blacklight-reactive ink
  • luminous paint
  • fluorescent paint

Forms of day-glo

Adjective
comparativemore day-glo
superlativemost day-glo
Proper noun
alternative formDayglo
alternative formday-glo
alternative formdayglo

Origin of day-glo

Coined by the Day-Glo Color Corp., originally as a trademark, from day + glow.

Questions about day-glo

What does day-glo mean?
Day-glo means a luminous paint that glows in a variety of brilliant colours, most commonly red or orange; used especially for outdoor advertising.
What is day-glo the alternative form of?
Day-glo is the alternative form of Day-Glo.
What part of speech is day-glo?
Day-glo can be a proper noun or an adjective.

Words near day-glo in the dictionary

  1. day-drinks
  2. day-drunk
  3. day-ee
  4. day-fine
  5. day-fines
  6. day-glo
  7. day-job
  8. day-jobs
  9. day-light
  10. day-lights
  11. day-long

Source and license

Adapted from Wiktionary: day-glo (page history and authors); Day-Glo (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: “day-glo.” Word.ws, https://word.ws/day-glo. Based on Wiktionary, CC BY-SA 4.0.