Day-Glo

American  

[dey-gloh] / ˈdeɪˌgloʊ /

Trademark.

1. a brand of pigments and other products that exhibit fluorescence in daylight.

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Day-Glo British  

noun

1. 1. a brand of fluorescent colouring materials, as of paint

   2. ( as modifier )

      Day-Glo colours

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Example Sentences

In 1976, a wax dummy painted Day-Glo red was being moved around in the Laff in the Dark attraction when an arm fell off.

From Los Angeles Times • Jul. 4, 2025

“Barbie” serves its fear and trembling with a Day-Glo nod and wink, which somehow makes it even more pungent.

From Los Angeles Times • Feb. 13, 2024

ITV's gamble on the new format turned into a Day-Glo phenomenon and became, the childhood gymnastics champion says proudly, "a Saturday-night ritual".

From BBC • Jan. 10, 2024

Your little ones might not catch the spiritual drift of Lolita Chakrabarti’s workmanlike script, but they’ll delight in the Ark’s worth of Day-Glo fish, diaphanous birds and lifelike quadrupeds.

From Washington Post • Mar. 30, 2023

She was the only adult in hippie clothes—peasant blouse, long cotton skirt, Day-Glo headband with a yin/yang disk in the center of her forehead.

From "Schooled" by Gordon Korman