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.

"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

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

As well as directing Super Size Me, Spurlock was the film’s star and guinea pig as he ate dozens of Big Macs and Chicken McNuggets and drank gallons of cola.

From BBC • May 24, 2024

It took Danny several moments to recover from the shock of seeing the guinea pig walk upright and scowl in his general direction.

From "The Way to Rio Luna" by Zoraida Cordova