Pronunciation: (slip'ij), [key]
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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.