laundry /ˈlɔːn.dɹi/noun 5forms 1phrases 3 noun5 •A laundering; a washing.In our family of five, we have to do the laundry every other day. •the things in a home that are going through washing, from dirty shirts to clean bed coversYou've left your dirty laundry all over the house. •A place or room where laundering is done - including, by extension, other forms of laundering than clothes washing.Old Faithful is sometimes degraded by being made a laundry. Garments placed in the crater during quiescence are ejected thoroughly washed when the eruption takes place. — 1883 •A business whose primary purpose is to conceal the origins of money received illegally. •(slang) A penalty flag. formslaundries Phrases with laundry air one's dirty laundry in publicTo reveal one's sordid secrets to the public. dirty laundryUnflattering or embarrassing facts, or questionable activities that one wants to remain secret, but which someone else may use as blackmail. laundry listA long and often tedious list of items.