Day-glo

adj, name, slang

adj, name, slang ·Uncommon ·College level

Definitions

Adjective
  1. 1
    Very bright and luminous in colour. colloquial, not-comparable

    "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 […]"

  2. 2
    Alternative form of Day-Glo; luminescent; fluorescent; of colors, very bright. alt-of, alternative

    "And watched the world turn day-glo / You know you know / The world turned day-glo"

Proper Noun
  1. 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 years"

Synonyms

All synonyms
blacklight inkblacklight-reactive inkfluorescent paintluminous paint

Example

More examples

"Cool shades and Day-Glo tears / All hide your sixteen years"

Etymology

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

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.