Slippage may refer to: Degree of slipping or loosening as result of slipperiness Slippage (finance), the difference between estimated transaction costs and the amount actually paid Project slippage, in project planning, the act of missing a deadline Replication slippage, nucleotide duplications created by DNA polymerase during DNA replication Bit slip, the loss or gain of a bit or bits, caused by variations in respective clock rates of transmitting and receiving devices Entertainment Slippage (short story collection), a 1997 collection of short stories by Harlan Ellison Slippage, an album by Slobberbone "Slippage", a song by Goldfrapp from Black Cherry