C1 verb /ˈwaɪtˌwɑːʃ/
whitewash
blanchir
Meaning
to cover up faults, errors, or unpleasant facts; to paint with white paint or lime
Example
The report was criticized for trying to whitewash the company's failures.
Le rapport a été critiqué pour avoir tenté de blanchir les échecs de l'entreprise.