whitewash - definition and synonyms

noun 

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/ˈwaɪtˌwɒʃ/
  1. 1
    [singular/uncountable] an attempt to stop people discovering the true facts about something, in order to prevent someone in authority from being criticized
  2. 2
    [singular] mainly journalism an occasion when a player or a team wins a game so easily that the other person or team does not score any points