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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.

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

A head teacher has expressed concerns for the "guinea pig year group" who are the first to study 15 new-look GCSEs in Wales.

From BBC • Sep. 24, 2025

His lead, Pattinson’s Mickey Barnes, is a dopey, instantly lovable voluntary “Expendable,” jettisoned into space to be a human guinea pig who will be pivotal in colonizing a faraway planet.

From Salon • Mar. 7, 2025

Alec spent his teens and early 20s helping out around Erewhon, a fast-tracked corporate education that included partaking in the human guinea pig sample sessions led by his mother.

From Los Angeles Times • Jun. 2, 2024

When Danny was little, the Finnegan family he’d lived with had a guinea pig and after a year, it died while it was mid-run on its hamster wheel.

From "The Way to Rio Luna" by Zoraida Cordova




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