Antonym: tie, tighten. Similar words: loose, at a loose end, moose, noose, goose, choose, boost, booster. Meaning: ['luːsn] 
v. 1. make loose or looser 2. make less severe or strict 3. become less severe or strict 4. disentangle and raise the fibers of 5. cause to become loose 6. make less dense 7. become loose or looser or less tight.
v. 1. make loose or looser 2. make less severe or strict 3. become less severe or strict 4. disentangle and raise the fibers of 5. cause to become loose 6. make less dense 7. become loose or looser or less tight. 
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31. I must take some exercise and loosen up my muscles.
32. The first step in changing a car tire is to loosen the wheel.
33. The Federal Republic must loosen its ties with the United States.
34. Officials have been instructed to loosen up on the rules for admitting people into the country.
35. The miners put some explosives in the mine, to loosen the coal.
36. There is no sign that the Party will loosen its tight grip on the country.
37. I do a few stretches to loosen up before I run.
38. Squeeze the foot with both hands, again to loosen up tight muscles.
39. I don't think the millionaire will loosen up this time.
40. The vibration during operation often caused the nuts to loosen.
41. He reached up to loosen the scarf around his neck.
41. Sentencedict.com try its best to gather and build good sentences.
42. Take each foot in both your hands and rotate it to loosen and relax the ankle.
43. I loosen up with a few exercise before the match.
44. How do I get her to let Loosen up?
45. To open the lid, you simply loosen two thumbscrews.
46. A romp to loosen the mind and body.
47. They tried to loosen them but failed.
48. Although she was silent, the grip didn't loosen.
49. Could you loosen this lid for me?
50. His muscles creaked as the tension began to loosen.
51. Why couldn't the guy loosen up?
52. I began to loosen my armour.
53. McCready had shown him how to loosen the nut connecting the water pipe to the radiator.
54. She says a massage will help loosen you up and get the blood flowing normally and warm up those aching muscles.
55. But whenever he wandered off el grip would loosen(sentencedict.com), el thwing would revert and the comfortable old mongrel ways would return.
56. I felt a shock charge through my hand and could not loosen my grip.
57. Some cleansers help loosen simple blackheads, but are unsuitable for whiteheads, inflamed pimples or cysts.
58. Gedge showed an extraordinary reluctance to loosen his grip on Rigby.
59. Water was then added to loosen the mixture and rinsed away.
60. They tried to loosen them but failed. Blood began to seep from his hands.