0 a reduction in the rate, amount, or standard of something: --
the slippage of the book's publication date
The party leader is said to be concerned at the slippage (= loss of popularity) in the recent opinion polls.
2 a failure to happen or finish on time: --
the slippage of the book's publication date
News of the delay in production was not surprising, and observers expect further slippage.
3 the difference between an expected result and the real result: --
We undertook a detailed review and in 1998 we tried to put the project back on course, but slippages continued.
We cannot afford slippages with an aircraft as important as this.
There is a great deal of worry in the industry about slippages in quality control.
Alongside the rescue efforts, other work has been going on to stabilise the tip and to prevent further slippages.
Can we avoid slippages of this kind in the future?
There are delays, slippages and cuts, with the result that our service men do not obtain their equipment as and when they should.
All current shortcomings, weaknesses, slippages and potential cancellations can now be attributed to it.
A number of notable slippages occurred in the arrangements.