Synonym: acquire, advance, benefit, come along, earn, get, improve, look up, make progress, obtain, pick up, receive, secure. Antonym: lose. Similar words: again, regain, against, ungainly, all over again, fight against, struggle against, maintain. Meaning: [geɪn] 
n. 1. a quantity that is added 2. the advantageous quality of being beneficial 3. the amount of increase in signal power or voltage or current expressed as the ratio of output to input 4. the amount by which the revenue of a business exceeds its cost of operating. v. 1. obtain 2. win something through one's efforts 3. derive a benefit from 4. reach a destination, either real or abstract 5. obtain advantages, such as points, etc. 6. rise in rate or price 7. increase in 8. earn on some commercial or business transaction; earn as salary or wages 9. increase (one's body weight).
n. 1. a quantity that is added 2. the advantageous quality of being beneficial 3. the amount of increase in signal power or voltage or current expressed as the ratio of output to input 4. the amount by which the revenue of a business exceeds its cost of operating. v. 1. obtain 2. win something through one's efforts 3. derive a benefit from 4. reach a destination, either real or abstract 5. obtain advantages, such as points, etc. 6. rise in rate or price 7. increase in 8. earn on some commercial or business transaction; earn as salary or wages 9. increase (one's body weight). 
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31. The gain is outweighed by the loss.
32. Critics claim he exploited black musicians for personal gain.
33. How did the thieves gain entry into the building?
34. The Mercedes began to gain on the van.
35. She failed to gain admission to the university of her choice.
36. The party is expecting to gain control of the council in the next election.
37. The promise of lower taxation may have been just an election gimmick to gain votes.
38. The whole episode was a blatant attempt to gain publicity.
39. Do not worry about winning or losing; think of what you will gain.
40. Bill was among the first to gain entry to Buckingham Palace when it opened to the public recently.
41. I was able to gain invaluable experience over that year.
42. Many voters feel that the country would gain from a change of leadership.
43. We can gain some time if we cut across this field.
44. A fall into a pit,(http://sentencedict.com/gain.html) a gain in your wit.
45. We'll only get our proposal considered if we can gain the ear of the managing director.
46. There are two tragedies in life. One is to lose your heart's desire, the other is to gain it.
47. It's all part of an overall strategy to gain promotion.
48. No one party is expected to gain an outright majority.
49. They could not gain over anyone to support their proposal.
50. If I gain any more weight,I shan't be able to fit into my clothes.
51. Several companies are competing for the contract/to gain the contract.
52. He was apparently unconcerned by his failure to gain a university place.
53. Flick the years of dust, to laughter and tears, love and cemented in the minds of a thick crystal amber. I wish happy new year! I wish you the new year: don't gain weight, before the person you most Qiao; money in hand, laughing in the dream.
54. You can gain my help, but you couldnt' stay on me.
55. The objective of the research is to gain a better insight into labour market processes.
56. The treatment has a whole host of extremely unpleasant side-effects including weight gain, acne, skin rashes and headaches.
57. Students will gain competence in a wide range of skills.
58. He did it for financial gain.
59. They worry that extremists might gain control.
60. New ramps will help the disabled gain better access.