Antonym: quicken. Similar words: blacken, sicken, chicken, thicken, quicken, stricken, chicken out, packet. Meaning: ['slækən] 
v. 1. become slow or slower 2. make less active or fast 3. become looser or slack 4. make slack as by lessening tension or firmness.
v. 1. become slow or slower 2. make less active or fast 3. become looser or slack 4. make slack as by lessening tension or firmness. 
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31. I might slacken off when I got established - perhaps after ten years or so.
32. Nell Anderson heard the splash as her raft went in, felt the five metre line slacken - then everything went wrong.
33. The government found it expedient to slacken the grip of censorship in order to encourage loyal expressions of support for the Emancipation programme.
34. Muscles stretch, slacken and relax during child-birth.
35. Slacken the tent ropes before it rains.
36. Market dull and slacken no business report.
37. To slacken the tempo would mean falling behind.
38. When will this pain slacken off?
39. His business begins to slacken.
40. Redouble your efforts and not slacken off.
41. I have slacken off a bit.
42. You shouldn't slacken off in your study.
43. Slacken off those ropes there, there's a storm coming!
44. Don't slacken your efforts till the work is done.
45. The train must slacken off as it passes through a bridge.
46. If the raddle come from your feet because of the dew, if the rings of bells upon your feet slacken, if pearls drop out of your chain, do not mind.
47. Slacken ( off ) your speed as you approach the village.
48. This is the time to push rather than to slacken our efforts.
49. Make suggestion on the stock of slacken, over stock and dethrone. Destroy it after approved.
50. But the result belong to pass by, succeeding to still see future, the anterior road is long very, I will investigate with my sincerity and real strenght, pursue, being slacken nowise .
51. Business in the small village usually slacken off during severe winters.
52. Slacken off those ropes there, there is a storm coming.
53. We can't slacken our vigilance just because nothing unusual has cropped up.
53. Sentencedict.com is a sentence dictionary, on which you can find good sentences for a large number of words.
54. Don't slacken your vigilance.
55. If you suspend it for a few months, morale will slacken.
56. The demand for coal begins to slacken off in the spring.
57. The way to change the phases of slacken production, inexpedient circulation is to realize the limited austerity.
58. He had worked without intermission for six months and now could slacken off for a holiday.
59. Apply to full automatic transfer rewind, assure core don't slacken off.
60. Learning is like pushing a cart up. Don't slacken off.
More similar words: blacken, sicken, chicken, thicken, quicken, stricken, chicken out, packet, packed, jacket, lack, knacker, bracket, cracked, black, quackery, black out, lacking, linebacker, black hand, for lack of, blackmail, black list, blacklist, blackface, in the black, black sheep, blackberry, black horse, lacklustre.