The word "whitewashed" means to make something or someone appear better or more positive than it actually is, often by hiding or downplaying negative aspects or suppressing the true history or reality. Full definition
The film has been accused of whitewashing with the casting of Natalie in the lead role and here's how she responded to the question. (justjared.com)
The curvaceous thatched - roof structure, built to blend in with the undulating landscape, houses seven guest cottages with whitewashed walls, exposed beams, and polished flagstone floors. (travelandleisure.com)
Tough and hardwearing, they are favourites for kitchens and utility rooms and add a rustic warmth to a decorating scheme of whitewashed walls and mix - and - match dining chairs. (idealhome.co.uk)