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. 
Random good picture Not show
1. Can you loosen the lid of this jar?
2. She raked the soil over to loosen the weeds.
3. My belt is too tight; I must loosen it.
4. First loosen the nuts, then take off the wheel.
5. You'll need a spanner to loosen that bolt.
6. Young people often loosen up on the dance floor.
7. You need to take some exercise to loosen up you muscles.
8. A massage will loosen up your joints.
9. I've had to loosen my belt.
10. His welcoming smile helped loosen her up.
11. The medicine may loosen your cough.
11. Sentencedict.com try its best to gather and make good sentences.
12. Loosen the girth a little.
13. Come on, Jo. Loosen up.
14. Don't be so nervous loosen up a bit.
15. Your shoes will loosen up with wear.
16. A gin and tonic will loosen you up.
17. Loosen the bolt so the bars can be turned.
18. You hurt me, loosen your hands.
19. I'll need that screwdriver to loosen these screws.
20. A few whiskies should loosen his tongue.
21. Close your eyes. Relax. Let your body loosen up.
22. Loosen up. Don't be so nervous.
23. Use a wrench to loosen the nut.
24. Loosen up!We're anxious to know the reason.
25. She would not loosen her grip on my arm.
26. You should loosen up before playing any sport.
27. Students hope that the school will loosen up the school regulations.
28. Loosen some sails to ease down the speed of the boat.
29. Insert a small knife into the top of the chicken breast to loosen the skin.
30. She gave the lid a few gentle taps to loosen it.