Definitions For Slack

noun

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

verb

• Cause to heat and crumble by treatment with water
• Become less in amount or intensity
• Make less active or intense
• Become slow or slower
• Make less active or fast
• Release tension on
• Be inattentive to, or neglect
• Avoid responsibilities and work, be idle
• To give little or no effort or attention to work

adjective

• Lacking in rigor or strictness
• Flowing with little speed as e.g. at the turning of the tide
• Not tense or taut