a mixture of chalk or lime and water, used for painting houses and walls white

an attempt to hide unpleasant facts about somebody/something

<i>The opposition claimed the report was a whitewash.</i>

(in sport) a victory in every game in a series

to cover something such as a wall with whitewash

to try to hide unpleasant facts about somebody/something; to try to make something seem better than it is

<i>His family tried to whitewash his reputation after he died.</i>

to defeat an opponent in every game in a series

LEARNit Dictionary