whitewash

A mixture of a powdered mineral substance (often slaked lime (containing calcium hydroxide), chalk (calcium carbonate), or both) and water which is used for painting surfaces such as fences and walls bright white.

A thing used to hide mistakes, or to create an appearance of honesty, propriety, etc.; also (often politics), an act of hiding mistakes or creating an appearance of honesty, propriety, etc.; especially, a campaign, investigation, etc., which intentionally hides or overlooks unfavourable facts.

An act of clearing a person's debts, especially through a declaration of bankruptcy by a court.

A complete victory or series of victories without suffering any losses; a clean sweep; also, a victory or series of victories by a very large margin.

The most basic type of thickening agent, consisting of flour blended with water to make a paste.

A preparation for making the skin look lighter.

Any of several medicinal preparations for treating skin diseases consisting of a mixture of a metallic compound (such as one of lead, sulfur, or zinc) and water.

White wine, especially Madeira or sherry, drunk after dinner or after taking claret and port; (countable) a glass of such wine.