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• Jell-O
  Jell-O

  a brand of dessert made from a mixture of gelatin, sugar, and fruit flavoring, dissolved in hot water and chilled until firm.
• Jell-o
  Jell-o

  noun

  (in US and Canada) jelly

Jell-O

American  

[jel-oh] / ˈdʒɛl oʊ /

Trademark.

1. a brand of dessert made from a mixture of gelatin, sugar, and fruit flavoring, dissolved in hot water and chilled until firm.

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Jell-o British  

/ ˈdʒɛləʊ /

noun

1. (in US and Canada) jelly

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Example Sentences

Instead of bait, lines and hooks, they are allowed to use only lures—anything from a coffee mug to a Jell-O mold—and pitchfork-like spears.

From The Wall Street Journal • Feb. 20, 2026

Kraft Heinz, known for Heinz Ketchup, Kraft Mac and Cheese, Jell-O and Kool-Aid brands, reported a year-over-year sales decline for the ninth straight quarter, as sales in North America offset continued growth in overseas markets.

From MarketWatch • Feb. 11, 2026

Yes, my audience giggled dutifully at the jiggling Jell-O salads and drooled over the groovy conversation pits in the Richards’ living room, the only super lair I’d ever live in.

From Los Angeles Times • Jul. 23, 2025

“It’s like trying to nail Jell-O to a wall trying to find out what is going to happen next week,” Xinis said.

From Slate • Jul. 12, 2025

Just looking at the thing made my knees turn to Jell-O.

From "The Last Olympian" by Rick Riordan