Definition of "Whitewash" :

noun: a specious or deceptive clearing that attempts to gloss over failings and defects

noun: wash consisting of lime and size in water; used for whitening walls and other surfaces

noun: a defeat in which the losing person or team fails to score

verb: exonerate by means of a perfunctory investigation or through biased presentation of data

verb: cover with whitewash

"Whitewash walls."

verb: cover up a misdemeanor, fault, or error

"Let's not whitewash the crimes of Stalin."