Толковый словарь английского языка - whitewash

I. transitive verb Date: 1591 to whiten with ~, 2. to gloss over or cover up (as vices or crimes) , to exonerate by means of a perfunctory investigation or through biased presentation of data, to hold (an opponent) scoreless in a game or contest, ~er noun II. noun Date: 1678 a liquid composition for whitening a surface: as, a preparation for whitening the skin, a composition (as of lime and water or whiting, size, and water) for whitening structural surfaces, an act or instance of glossing over or of exonerating, a defeat in a contest in which the loser fails to score