Meanings
day-glo1
comparative more day-glo · superlative most day-glo
- alternativeAlternative form of Day-Glo; luminescent; fluorescent; of colors, very bright.
And watched the world turn day-glo / You know you know / The world turned day-glo
1978, “The Day the World Turned Day-Glo”, performed by X-Ray Spex
Day-Glo2
alternative Dayglo · alternative day-glo · alternative dayglo
- 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 years
1980, “Spring Collection”, in New Clear Days, performed by The VaporsSynonyms: blacklight ink, blacklight-reactive ink, luminous paint, fluorescent paint
alternative Dayglo · alternative day-glo · alternative dayglo
- colloquialnot comparableVery 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 Days1 more example
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 and tongue.
2022 April 20, Mariella Rudi, “Tostitos Hint of Lime has zero lime – but it’s still the perfect chip”, in The Guardian
Synonyms & antonyms
proper nounA luminous paint that glows in a variety of brilliant colours, most commonly red or orange; used especially for outdoor advertising.
Origin
Coined by the Day-Glo Color Corp., originally as a trademark, from day + glow.
Full word history & related roots →Cite this entry
day-glo. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/day-glo
“day-glo.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/day-glo. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “day-glo,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/day-glo.
Source: day-glo on Wiktionary, CC BY-SA 4.0.