/ ˈwaɪtwɒʃ; NAmE -wɑːʃ; -wɔːʃ/ noun , verb
■ noun
1.
[ U ] a mixture of chalk or lime and water, used for painting houses and walls white
2.
[ U , sing. ] ( disapproving ) an attempt to hide unpleasant facts about sb/sth
SYN cover-up :
The opposition claimed the report was a whitewash.
3.
[ C , usually sing. ] ( informal ) (in sport) a victory in every game in a series :
a 7–0 whitewash
a whitewash victory
■ verb [ vn ]
1.
to cover sth such as a wall with whitewash
2.
( disapproving ) to try to hide unpleasant facts about sb/sth; to try to make sth seem better than it is :
His wife had wanted to whitewash his reputation after he died.
3.
( especially BrE ) ( in sport ) to defeat an opponent in every game in a series