• a cord or rope or cable that is hanging loosely; "he took up the Slack"
• the condition of being loose (not taut); "he hadn''t counted on the Slackness of the rope"
• a stretch of water without current or movement; "suddenly they were in Slack water"
• a noticeable deterioration in performance or quality; "the team went into a slump"; "a gradual Slack in output"; "a drop-off in attendance"; "a falloff in 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
• cause to heat and crumble by treatment with water; "Slack lime"
• become less in amount or intensity; "The storm abated"; "The rain let up after a few hours"
• make less active or intense
• become slow or slower; "Production slowed"
• make less active or fast; "He Slackened his pace as he got tired"; "Don''t relax your efforts now"
• release tension on; "Slack the rope"
• be inattentive to, or neglect; "He Slacks his attention"
• avoid responsibilities and work, be idle
• lacking in rigor or strictness; "such lax and slipshod ways are no longer acceptable"; "lax in attending classes"; "Slack in maintaining discipline"
• flowing with little speed as e.g. at the turning of the tide; "Slack water"
• lacking in strength or firmness or resilience; "flaccid muscles"; "took his lax hand in hers"; "gave a limp handshake"; "a limp gesture as if waving away all desire to know" G.K.Chesterton; "a Slack grip"
• not tense or taut; "the old man''s skin hung loose and gray"; "Slack and wrinkled skin"; "Slack sails"; "a Slack rope"

'Slack' in other languages