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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211. Take hold of your horse only as much as he needs. In other words, take only as much slack out of the reins as required to stop your horse. Never jerk from a loose rein.
212. During sutured the conjunctiva, one corner of the conjunctival flap was slack for easy to adjustment.
213. Market weakness, people slack, there is nothing wrong with closure of the market expansion.
214. So, the problem of reactive power constrains of generator at slack bus should be considered when calculating the load margin and critical voltage by using the method of continuation power flow.
215. As step 6 in the process states, it's important to have at least a couple days of slack time in between sprints.
216. 4 month 20 days of netizens " happy chuckle " report because sewer is slack, cause dispute with downstair resident, the doorway often has rubbish.
217. but in these slack times China has closed some of its oldest (and most inefficient) coal- and oil-fired power plants.
218. As for the consuming industry, the trader suggested the recent ferromolybdenum market is slack, and buyers prefer to watch the market.
219. For silica fume and coal slack, the error value of measure by acid dissolution method is big and the reaction activity is lower.
220. We are exporter of Slack wax, Paraffin Wax RPO , Foots Oils from Iran.
221. The difference between the pairs of start and finish dates for each task is the float or slack time for the task.
222. Described are the analysis of causes to typical troubles in ST 2-direction brake shoe slack adjuster and preventative measures.
223. Although the voice of Huo mulberry is very easy to get along with, but his sharp-edged vision doesn't always and never slack off.
224. The young man needs to use a little elbow grease; he is too slack altogether.
225. We can even offer a ticket discount at the slack season just like the plane ticket to get more passengers onboard reducing the excessive empty running rate.Sentence dictionary
226. The innovation and effect analysis of slack coal separation system technology was introduced in Fangezhuang Coal Mine Co.
227. So the study on coal slack should be enhanced in order to make it become a sort of resources.
228. It's a slack season and we're going to stash business.
229. The clothes makes him look like a slack - jaw yokel.
230. It's natural slack off towards the end of a hard day's work.
231. February is a slack time for hotels by the sea.
232. The smaller the remaining slack time of a task is, the sooner it needs to be executed.
233. The different setting of slack bus lead to the benefit maldistribution in the market.
234. I used to return feeling very slack and behind the times.
235. Back off tensioner adjusting nut to create slack in cables.
236. Multi - purpose ruler. Used for lapel , elbow, skirt, slack , trouser, or anywhere a special contour is needed.
237. The slender skeptic skips school in slack seasons, which signifies her slackness.
238. Make sure you stay focused at work and don't slack off.
239. The white leader now uses her prusik to stay on a snug belay with her team, and tells them to move forward, creating a bight of slack.
240. The algorithm is compared with benchmark methods, EDD, LPT and SLACK by using random orders.
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.