Noun

1. Dust consisting of a mixture of small coal fragments and coal dust and dirt that sifts out when coal is passed over a sieve
2. A noticeable deterioration in performance or quality
3. A stretch of water without current or movement
4. A soft wet area of low-lying land that sinks underfoot
5. The quality of being loose (not taut)
6. A cord or rope or cable that is hanging loosely

Verb

1. Avoid responsibilities and work, be idle
2. Be inattentive to, or neglect
3. Release tension on
4. Make less active or fast
5. Become slow or slower
6. Make less active or intense
7. Become less in amount or intensity
8. Cause to heat and crumble by treatment with water