- 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 noticeable deterioration in performance or quality;
- "a gradual slack in output"
- a stretch of water without current or movement;
- "suddenly they were in a slack and the water was motionless"
- a soft wet area of low-lying land that sinks underfoot
- the quality of being loose (not taut);
- "he hadn't counted on the slackness of the rope"
- a cord or rope or cable that is hanging loosely;
- "he took up the slack"
- avoid responsibilities and work, be idle
- be inattentive to, or neglect;
- "He slacks his attention"
- release tension on;
- "slack the rope"
- make less active or fast;
- "He slackened his pace as he got tired"
- become slow or slower;
- make less active or intense
- become less in amount or intensity;
- cause to heat and crumble by treatment with water;
- "slack lime"
- not tense or taut;
- "slack and wrinkled skin"
- "slack sails"
- "a slack rope"
- flowing with little speed as e.g. at the turning of the tide;
- "slack water"
- lacking in rigor or strictness;
- "slack in maintaining discipline"
- SLACK adj SLACKER, SLACKEST not tight or taut
- SLACK v -ED, -ING, -S to slacken
Scrabble Score: 11slack is a valid Scrabble (US) TWL word
slack is a valid Scrabble Word in Merriam-Webster MW Dictionary
slack is a valid Scrabble Word in International Collins CSW Dictionary
Words With Friends Score: 13slack is a valid Words With Friends word