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
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
Southwest, the llama / alpaca and the guinea pig in the Andes, the Muscovy duck in tropical South America, and the dog throughout the Americas.
From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond
![]()