0 past simple and past participle of whitewash
1 to make something bad seem acceptable by hiding the truth:
The department is trying to whitewash their incompetence.
2 to defeat a player or team completely, especially while preventing them from scoring any points
3 to paint walls or buildings using whitewash
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.