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:
If there are slippages in enforcement in other member states, that clearly needs to be remedied.
We know the commitments and we know the slippages.
Slippages at the earthworks occurred during wet weather.
I know better than most how slippages in time and cost can jeopardise military planning and make nonsense of defence budgeting.
Are these slippages in sight of being recovered?
When we consider what is happening to our defence expenditure, we notice that significant changes and slippages are already occurring.
In the meantime, we are maintaining momentum on the airport to avoid expensive cost increases and slippages.
A number of notable slippages occurred in the arrangements.