The grammatical form denoting more than one person, place, thing, or idea.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Katie worked at Pets at Home because of her love of animals, and had two pet guinea pigs and a parrot.
From BBC ● Jun. 14, 2026
"Greenlanders are not guinea pigs in a geopolitical project," she said.
From Barron's ● May 20, 2026
Our club should not be guinea pigs for their pet project.
From BBC ● May 14, 2026
It will have four astronauts aboard serving mainly as guinea pigs to validate life-support systems and collect biomedical data.
From The Wall Street Journal ● Feb. 10, 2026
The fate of the old man’s guinea pigs upset her, though.
From "A Girl Named Disaster" by Nancy Farmer
