Synonyms for whitewash

verb

• cover up a misdemeanor, fault, or error
• cover with whitewash
• exonerate by means of a perfunctory investigation or through biased presentation of data

noun

• a defeat in which the losing person or team fails to score
• a specious or deceptive clearing that attempts to gloss over failings and defects
• wash consisting of lime and size in water; used for whitening walls and other surfaces