noun
plural -washes
[noncount] :a white liquid mixture used for making surfaces (such as walls or fences) whiter
[count] disapproving :a planned effort to hide a dishonest, immoral, or illegal act or situation :cover-up
usually singular
[count] chiefly Brit :a defeat in a game or contest in which the loser does not score any points
verb
-washes; -washed; -washing
[+ obj] to make (something) whiter by painting it with whitewash
to prevent people from learning the truth about (something bad, such as a dishonest, immoral, or illegal act or situation)
chiefly Brit :to defeat (an opponent) easily by winning every game, point, etc.