whitewash

(noun) a defeat in which the losing person or team fails to score.

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

(noun) a specious or deceptive clearing that attempts to gloss over failings and defects.

(verb) cover up a misdemeanor, fault, or error. Synonyms: gloss over, sleek over, hush up. Examples: "Let's not whitewash the crimes of stalin." "She tried to gloss over her mistakes."

(verb) cover with whitewash. Example: "Whitewash walls."

(verb) exonerate by means of a perfunctory investigation or through biased presentation of data.