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English definition of “underpants”

underpants

noun [plural]     /ˈʌn.də.pænts/ US  /-dɚ-/ (UK also pants)
B1 a piece of underwear covering the area between the waist and the tops of the legs: a pair of underpantsUnderwear
(Definition of underpants noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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