Thesaurus.com
Dictionary.com
Definitions

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.

"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

That light droned down on me for years as I moved from computer games to MySpace, illuminating whatever sins I was committing as a guinea pig in the days of early social media.

From Salon • Jan. 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

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




Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "guinea pig" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com