dictionary.pt
guinea pig
nounfemininegeneral usecommon/kuˈbajɐ/co·bai·a
Definitions
21
An animal, especially a rodent like the guinea pig, used in scientific experiments. By extension, a person or thing subjected to tests or experiments.
Usage examples
“Mice are often used as guinea pigs in the laboratory.”
“The new employees served as guinea pigs for the experimental software.”
Common combinations
use as a guinea pigserve as a guinea pighuman guinea piglaboratory guinea pig
2
By extension, a person or thing that serves as a test or experiment.
Usage examples
“The early users served as guinea pigs for the new application.”
“I don't want to be the guinea pig for your risky project.”
Synonyms
Common combinations
human guinea pigserve as a guinea pig
Idiomatic expressions
- to be a guinea pig (to be used as a test subject)