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Definition of slack

slack - adj. flowing with little speed as e.g. at the turning of the tide; lacking in rigor or strictness; lacking in strength or firmness or resilience; not tense or taut; noun a cord or rope or cable that is hanging loosely; the condition of being loose (not taut); a stretch of water without current or movement; dust consisting of a mixture of small coal fragments and coal dust and dirt that sifts out when coal is passed over a sieve; a soft wet area of low-lying land that sinks underfoot; a noticeable deterioration in performance or quality; verb cause to heat and crumble by treatment with water; make less active or fast; release tension on; be inattentive to, or neglect; avoid responsibilities and work, be idle; become less in amount or intensity; make less active or intense; become slow or slower.



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