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Underpants has 8 synonyms. The top synonyms for Underpants are pants, undies, briefs, boxers, thong, underwear, gruds, longjohns. Another word for Underpants is pants. Browse the full list below.
| Length
| Random | DefinitionA common synonym for Underpants is pants. Other synonyms include undies, briefs, boxers, thong.
Underpants has 8 synonyms listed on Thesaurasize.
(n): underwear, clothing covering the lower genitalia
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