Synonym: fail, flop, forfeit, mislay, misplace, sacrifice. Antonym: find, gain, win. Similar words: close, closet, closer, closest, closely, close in, close up, close down. Meaning: [luːz] 
v. 1. fail to keep or to maintain; cease to have, either physically or in an abstract sense 2. fail to win 3. suffer the loss of a person through death or removal 4. place (something) where one cannot find it again 5. miss from one's possessions; lose sight of 6. allow to go out of sight 7. fail to make money in a business; make a loss or fail to profit 8. fail to get or obtain 9. retreat 10. fail to perceive or to catch with the senses or the mind 11. be set at a disadvantage.
v. 1. fail to keep or to maintain; cease to have, either physically or in an abstract sense 2. fail to win 3. suffer the loss of a person through death or removal 4. place (something) where one cannot find it again 5. miss from one's possessions; lose sight of 6. allow to go out of sight 7. fail to make money in a business; make a loss or fail to profit 8. fail to get or obtain 9. retreat 10. fail to perceive or to catch with the senses or the mind 11. be set at a disadvantage. 
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1. Better lose a jest than a friend. 
2. We lose in hake, but gain in herring.
3. Lend your money and lose your friend.
4. You must lose a fly to catch a trout.
5. He that doth lend,[Sentencedict.com] doth lose his friend.
6. You win some, you lose some.
7. There is no time to lose.
8. Sometimes the best gain is to lose.
9. Sometimes gain is to lose.
10. One false move may lose the game.
11. Better ask twice than lose you way once.
12. You cannot lose what you never had.
13. Merry is he that hath nought to lose.
14. Either win the horse or lose the saddle.
15. Pains to get, care to keep, fear to lose.
16. Better lose the saddle than the horse.
16. Wish you can benefit from our online sentence dictionary and make progress every day!
17. One wrong (or false) move can lose the whole game.
18. What you lose on the swings you gain (or get back) on the roundabouts.
19. What we lose in hake we shall have in herring.
20. Lose not time; be always employed in something useful; cut off all unnecessary actions.
21. Grasp all, lose all.
22. A ready way to lose friend is to lend him money.
23. Spoil (or Lose) the ship for half penny worth of tar.
24. The wolf may lose his teeth, but never his nature.
25. What you lose on the swings you gain on the roundabouts.
26. By gambling we lose both time and treasure, two things most precious to the life of man.
27. To lose a freind is the greatest of all loses.
28. It is a strange desire to seek power and to lose liberty, or to seek power over others and to lose power over a man's self.
29. People do not know the blessing of health till they lose it.
30. It is good to have money to buy things that money can buy,but it is better not to lose things money cannot buy.