0 a reduction in the rate, amount, or standard of something: --
The party leader is said to be concerned at the slippage (= loss of popularity) in the recent opinion polls.
the slippage of the book's publication date
2 a failure to happen or finish on time: --
News of the delay in production was not surprising, and observers expect further slippage.
the slippage of the book's publication date
3 the difference between an expected result and the real result: --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Можем да го завършим стъпка по стъпка, колкото и дълъг да е пътят и не може да бъде завършен, колкото и кратък да е пътят, ако дори не маркирате отпечатъка си.