whitewash Syllabification: (white·wash)Pronunciation: /ˈ(h)wītˌwäSH, -ˌwôSH/Translate whitewash | into French | into German | into Italian | into Spanish Definition of whitewash noun 1a solution of lime and water or of whiting, size, and water, used for painting walls white. (also whitewashing) a deliberate concealment of someone’s mistakes or faults in order to clear their name. 2a victory in a game in which the loser scores no points. verb [with object] 1 (usually as adjective whitewashed) paint (a wall, building, or room) with whitewash. deliberately attempt to conceal unpleasant facts about (a person or organization):his wife must have wanted to whitewash his reputation 2defeat (an opponent), keeping them from scoring. Derivatives whitewasher noun whitewash in other Oxford dictionaries Definition of whitewash in the British & World English dictionary