Synonym: baggy, droopy, dull, hanging, inactive, lax, lazy, loose, slow. Antonym: tight. Similar words: slacken, lack, black, flack, lackey, blacken, lacking, black out. Meaning: [slæk] 
n. 1. 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. a noticeable deterioration in performance or quality 3. a stretch of water without current or movement 4. a soft wet area of low-lying land that sinks underfoot 5. the condition of being loose (not taut) 6. a cord or rope or cable that is hanging loosely. v. 1. avoid responsibilities and work, be idle 2. be inattentive to, or neglect 3. release tension on 4. make less active or fast 5. become slow or slower 6. make less active or intense 7. become less in amount or intensity 8. cause to heat and crumble by treatment with water. adj. 1. not tense or taut 2. lacking in strength or firmness or resilience 3. flowing with little speed as e.g. at the turning of the tide 4. lacking in rigor or strictness.
n. 1. 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. a noticeable deterioration in performance or quality 3. a stretch of water without current or movement 4. a soft wet area of low-lying land that sinks underfoot 5. the condition of being loose (not taut) 6. a cord or rope or cable that is hanging loosely. v. 1. avoid responsibilities and work, be idle 2. be inattentive to, or neglect 3. release tension on 4. make less active or fast 5. become slow or slower 6. make less active or intense 7. become less in amount or intensity 8. cause to heat and crumble by treatment with water. adj. 1. not tense or taut 2. lacking in strength or firmness or resilience 3. flowing with little speed as e.g. at the turning of the tide 4. lacking in rigor or strictness. 
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91. He had found some fence posts slack and claimed that it was impossible to reach the lifebelts from outside the fence.
92. We were on schedule to pass Griminish Point around high water slack though the sea was anything but!
93. The downside of cutting the Scouts a little slack is too politically incorrect to imagine.
94. Utah's economic planners want aerospace, bio-medical and computing firms to take up the slack.
95. The fish must have come forward to give the line some slack.
96. But Dehlavi takes his time getting up steam, leaving a good 20 minutes of surplus slack in these two hours.
97. I let the rope go slack as the boat came closer.
98. There is very little slack built into the system and usually not much tolerance for errors.
99. Hand coils create unwanted slack and immediately tighten around the hand under load, trapping the fingers and preventing an effective arrest.
100. She didn't want to come against the flat slack flesh.
101. So the Flamethrower lit up to take up the slack.
102. Subsequently, barbel fishing went through a slack period when interest was lost through an increased enthusiasm for game fishing.
103. Once there, turn left to the sewage works. Keep following the track past the Slack and Haggerleases Station.
104. And I didn't cut myself any slack for having missed time in school.
105. I had my first good bite,(www.Sentencedict.com) a two inch lift then the indicator dropping like the clappers on a slack line.
106. In the hall they found Mr Hunter again, holding a slack bored-looking black cat.
107. She froze him out; went limp in his arms and let her lips go slack under his.
108. I glimpsed sandy hair, a white-grey face, glazed open eyes and slack jaw.
109. But developing nations, where 2 billion people still have no electricity, have taken up the slack.
110. At any job symbol both the free float and the total slack, as defined in Figure 6.7, can be calculated.
111. High slack systems, then, are often hotbed of deceptive activities that cover up the exercise of power for personal gain.
112. If the rope between climbers is slack, one slip can be fatal.
113. Where the actual film is unfocused, slack and sentimental, the trailer for Uncle Buck is a minor masterpiece.
114. She played the fish, gave it some slack and let it run till it hesitated, then slowly drew it back.
115. There's no elastic been invented that doesn't go all slack the minute a camera comes out.
116. Women buy into that thinking, too, and so pick up the slack for men.
117. Antonio Ramos, a mariachi since he turned 12, has seen the work for mariachis slack off too.
118. They were linked by a slack, heavy, silvery chain that swayed lazily when he raised his hands.
119. The workforce has been reduced, so there's very little slack in the system.
120. If the slack variable is non-basic, we can pivot to make it basic and then drop the corresponding row.
More similar words: slacken, lack, black, flack, lackey, blacken, lacking, black out, for lack of, blackleg, blacking, jet black, blackball, black hand, black hole, in the black, black list, black sheep, blackbody, blackface, blackmail, blacklist, blackness, lacklustre, blacksmith, lackluster, a black sheep, blackberry, black magic, black horse.