UNDERPANTS Meaning of UNDERPANTS in English nounADJECTIVE▪ men's , women's ( AmE ) … OF UNDERPANTS▪ pairPREPOSITION▪ in your ~▪He came to the door dressed only in his ~. Oxford Collocations English Dictionary. Оксфордский английский словарь словосочетаний . 2012