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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.

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"The guinea pig stood on what appeared to be a very thick mat of mud which I believe to be very old, ground down, compacted faeces."

From BBC Aug. 14, 2026

"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

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

At the center of the story is the cuy, a guinea pig eaten in Andean South America, though in this telling they’re also used in a version of bullfighting.

From Los Angeles Times Aug. 16, 2025

Smells of roasted guinea pig and potatoes and chicken and com fill the air.

From "The Queen of Water" by Laura Resau




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