"whitewash" in the noun sense
a defeat in which the losing person or team fails to score
wash consisting of lime and size in water used for whitening walls and other surfaces
a specious or deceptive clearing that attempts to gloss over failings and defects
"whitewash" in the verb sense
1. whitewash, gloss over, sleek over, hush up
cover up a misdemeanor, fault, or error
"Let's not whitewash the crimes of Stalin"
"She tried to gloss over her mistakes"
cover with whitewash
exonerate by means of a perfunctory investigation or through biased presentation of data
Source: WordNet® (An amazing lexical database of English)
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