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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181. She had no appetite and began to lose weight.
182. Some trees lose their leaves in autumn.
183. You see that car following us? Well, lose it!
184. Many people look certain to lose their jobs.
185. Torn muscles retract, and lose strength, structure, and tightness.
186. As we age we lose muscle tissue.
187. We can't afford to lose any more customers.
188. Babies lose heat much faster than adults.
189. What recks it whether they win or lose?
190. Their spirits drooped as they watched their team lose.
191. It's a great deal - we can't lose!
192. Martha was able to lose 25 pounds.
193. I've cut out sweets to try to lose weight.
194. He was bound to lose the case .
195. Does your watch gain or lose?
196. I've never seen Vic lose his temper.
197. Someone's got to lose. No hard feelings, Dave,[www.Sentencedict.com] eh?
198. The plane suddenly started to lose altitude.
199. It doesn't matter if you win or lose.
200. There's a danger that when people lose their jobs they drop out altogether.
201. Cut down on fatty foods and alcohol if you want to lose weight.
202. He was over the limit and will lose his licence .
203. Some of the people already in work will lose their jobs.
204. I didn't want to lose my composure in front of her.
205. I dread to think what will become of them if they lose their home.
206. Bates says he will lose his livelihood if his driving licence is taken away.
207. A single chink in our armour at the negotiating table means we could lose out badly.
208. Her own supporters see her as an albatross who could lose them the election.
209. They made a resolution to lose all the weight gained during the Christmas period.
210. In my job one tends to lose touch with friends.