Synonyms of slack

1. slack, debris, dust, junk, rubble, detritus: usage: 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. slump, slack, drop-off, falloff, falling off, deterioration, decline in quality, declension, worsening: usage: 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"
3. slack, slack water, stretch: usage: a stretch of water without current or movement; "suddenly they were in a slack and the water was motionless"
4. mire, quagmire, quag, morass, slack, bog, peat bog: usage: a soft wet area of low-lying land that sinks underfoot
5. slack, slackness, looseness, play: usage: the quality of being loose (not taut); "he hadn't counted on the slackness of the rope"
6. slack, cord: usage: a cord or rope or cable that is hanging loosely; "he took up the slack"

1. slack, fiddle, shirk, shrink from, goldbrick: usage: avoid responsibilities and work, be idle
2. slack, neglect: usage: be inattentive to, or neglect; "He slacks his attention"
3. slack, loosen, loose: usage: release tension on; "slack the rope"
4. slack, slacken, slack up, relax, decrease, lessen, minify: usage: make less active or fast; "He slackened his pace as he got tired"; "Don't relax your efforts now"
5. slow, slow down, slow up, slack, slacken, weaken: usage: become slow or slower; "Production slowed"
6. slake, abate, slack, decrease, lessen, minify: usage: make less active or intense
7. abate, let up, slack off, slack, die away, decrease, diminish, lessen, fall: usage: become less in amount or intensity; "The storm abated"; "The rain let up after a few hours"
8. slack, slake, hydrate: usage: cause to heat and crumble by treatment with water; "slack lime"

1. loose, slack, lax (vs. tense): usage: not tense or taut; "the old man's skin hung loose and grey"; "slack and wrinkled skin"; "slack sails"; "a slack rope"
2. slack, standing(prenominal) (vs. running): usage: flowing with little speed as e.g. at the turning of the tide; "slack water"
3. lax, slack, negligent (vs. diligent): usage: lacking in rigor or strictness; "such lax and slipshod ways are no longer acceptable"; "lax in attending classes"; "slack in maintaining discipline"