Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun guinea_pig

2 senses of guinea pig

Sense 1
subject, case, guinea pig -- (a person who is subjected to experimental or other observational procedures; someone who is an object of investigation; "the subjects for this investigation were selected randomly"; "the cases that we studied were drawn from two different communities")
       => person, individual, someone, somebody, mortal, soul -- (a human being; "there was too much for one person to do")

Sense 2
guinea pig, Cavia cobaya -- (stout-bodied nearly tailless domesticated cavy; often kept as a pet and widely used in research)
       => cavy -- (short-tailed rough-haired South American rodent)

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