WordReference Random House Unabridged Dictionary of American English © 2025
wash′ sale′,
- Stock Exchange, Businessa sale of a stock at a loss and repurchase of the same or substantially identical stock within 30 days, for which the capital loss is disallowed for tax purposes.
- Stock Exchange, Businessthe simultaneous purchase and sale of large amounts of a stock or commodity by the same speculator so as to give a false appearance of wide market activity and interest in the stock or commodity.
- 1840–50, American.
'wash sale' also found in these entries (note: many are not synonyms or translations):