/slip"ij/ , n.
1. an act or instance of slipping.
2. an amount or extent of slipping.
3. failure to maintain an expected level, fulfill a goal, meet a deadline, etc.; loss, decline, or delay; a falling off.
4. Mach. the amount of work dissipated by slipping of parts, excess play, etc.
[ 1840-50; SLIP 1 + -AGE ]