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guinea pig Synonyms
Another word for guinea pig
Looking for synonyms for guinea pig? Sourced from our comprehensive thesaurus, here is a list of similar words and another word for guinea pig, organized by relevance and context.
• noun (Context 1)
A tailless, domesticated South American rodent (Cavia porcellus) belonging to the cavy family, widely kept as a pet and historically used in biological research.
Usage Example
"The children were thrilled to adopt a fluffy cavy from the local animal shelter."
Strongest
cavy
• noun (Context 2)
A person or thing used as a subject for an experiment, trial, or test.
Usage Example
"The developer asked her colleagues to act as Guinea pigs for the beta version of the new software application."
Strongest
subject
Strong
testee
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Cite this Entry
Wordmom. (2026). Synonyms for Guinea pig. In Wordmom Thesaurus. Retrieved Oct 17, 2026, from https://wordmom.com/synonyms/guinea pig