guinea pig

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

His mum, Rhys, 37, felt her son had been a "guinea pig" due to "trials and errors", and it had been "a lightbulb moment" when doctors finally worked out how to treat her son.

From BBC • May 7, 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

“Don’t let them grab you,” the guinea pig said.

From "The Way to Rio Luna" by Zoraida Cordova