Dictionary definition for: Slack

1. (s) not tense or taut; "the old man''s skin hung loose and gray" "slack and wrinkled skin" "slack sails" "a slack rope"

2. (n) dust consisting of a mixture of small coal fragments and coal dust and dirt that sifts out when coal is passed over a sieve

3. (v) avoid responsibilities and work, be idle

4. (n) 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"

5. (s) 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"

6. (v) be inattentive to, or neglect; "He slacks his attention"

7. (n) a stretch of water without current or movement; "suddenly they were in slack water"

8. (s) flowing with little speed as e.g. at the turning of the tide; "slack water"

9. (v) release tension on; "slack the rope"

10. (n) the condition of being loose (not taut) "he hadn''t counted on the slackness of the rope"

11. (s) lacking in rigor or strictness; "such lax and slipshod ways are no longer acceptable" "lax in attending classes" "slack in maintaining discipline"

12. (v) make less active or fast; "He slackened his pace as he got tired" "Don''t relax your efforts now"

13. (v) become slow or slower; "Production slowed"

14. (n) a cord or rope or cable that is hanging loosely; "he took up the slack"

15. (v) make less active or intense

16. (v) become less in amount or intensity; "The storm abated" "The rain let up after a few hours"

17. (v) cause to heat and crumble by treatment with water; "slack lime"