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Definitions

guinea pig



NOUN
rodent
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"I wouldn't want to be the first guinea pig," as "it's not so easy to have everything just smooth" like Apple has managed to do with its laptops.

From Barron's • Jun. 1, 2026

His three-year-old guinea pig, Remington, had surgery for a bladder stone.

From BBC • Apr. 21, 2026

As he buttoned up a professional baseball uniform for the first time in his life, he understood that he was becoming the guinea pig in an experiment that has the whole industry watching.

From The Wall Street Journal • Nov. 25, 2025

After all, Vanessa’s boyfriend, played by the always absurd Jason Mantzoukas, brings his very ill guinea pig to the festivities.

From Los Angeles Times • Nov. 20, 2025

Maybe he’d be tucked into the warmth of his bed, listening to Gulliver’s cage rattle as the guinea pig drank his water.

From "Hello, Universe" by Erin Entrada Kelly




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