Any wash or liquid composition for whitening something, as a wash for making the skin fair.
- A mixture of lime and water, often with whiting, size, or glue added, that is used to whiten walls, fences, or other structures.
- Concealment or palliation of flaws or failures.
- A defeat in a game in which the loser scores no points.
- To paint or coat with or as if with whitewash.
- To conceal or gloss over (wrongdoing, for example). See Synonyms at palliate.