slippageslip·page /ˈslɪpɪdʒ/ noun [uncountableU]1a reduction in a level of activity, amount etcThe central bank is prepared to ease interest rates further if the economy shows signs of slippage.
Last week’s slippage in bond prices followed a nearly 13-week rise.
2when calculations are not exact because some figures can only be guessedOpinion poll reliability is affected by slippage. Not all voters bother to respond, for example.
3FINANCE when investments are bought at higher prices or sold at lower prices than those wantedOne way to minimize slippage is to avoid placing orders on the open or the close of a trading session because of volatility (=fast and frequent price changes).