| SLICKENSIDED | • slickensided adj. (Geology) Having a slickenside. • SLICKENSIDED adj. in the form of a slickenside. |
| SLICKENSIDES | • slickensides n. Plural of slickenside. • SLICKENSIDE n. a polished and smoothly striated rock surface that results from friction along a fault plane. |
| SLIGHTNESSES | • slightnesses n. Plural of slightness. • SLIGHTNESS n. the state of being slight. |
| SLINKINESSES | • SLINKINESS n. the state of being slinky. |
| SLIPCOVERING | • SLIPCOVER v. to cover with a slipcover. |
| SLIPPERINESS | • slipperiness n. (Uncountable) The property of being slippery. • slipperiness n. (Countable) The result or product of being slippery. • SLIPPERINESS n. the state of being slippery. |
| SLIPPERWORTS | • slipperworts n. Plural of slipperwort. • SLIPPERWORT n. the calceolaria. |
| SLIPPINESSES | • SLIPPINESS n. the state of being slippy. |
| SLIPSHEETING | • SLIPSHEET v. to insert a slipsheet. |
| SLIPSHODNESS | • slipshodness n. The quality of being slipshod. • SLIPSHODNESS n. the state of being slipshod. |
| SLIPSLOPPIER | • SLIPSLOPPY adj. sloppy, nonsensical. |
| SLIPSTITCHED | Sorry, definition not available. |
| SLIPSTITCHES | • slipstitches n. Plural of slipstitch. |
| SLIPSTREAMED | • slipstreamed v. Simple past tense and past participle of slipstream. • SLIPSTREAM v. to drive in the slipstream of a vehicle. |