white·wash 
(wītwŏsh′, -wôsh′, hwīt-)
(wītwŏsh′, -wôsh′, hwīt-)n.
1. A mixture of lime and water, often with whiting, size, or glue added, that is used to whiten walls, fences, or other structures.
2. Concealment or palliation of flaws or failures.
3. A defeat in a game in which the loser scores no points.
tr.v. white·washed, white·wash·ing, white·wash·es
1. To paint or coat with whitewash.
2. To conceal or gloss over (wrongdoing, for example).
3. Sports To defeat (an opponent) in a game in which the opponent does not score.
whitewash′er n.