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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91. He bartered away his pride for material gain.
92. The greedy madam stopped at nothing to gain profit.
93. She tried to gain recruits for the party.
94. Protesters tried to gain access to the presidential palace.
95. She was most upset by her recent weight gain.
96. They gain a sense of fulfilment from their work.
97. The soldiers fought hard and began to gain ground.
98. He only seems to be interested in personal gain.
99. What have I to gain by staying here?
100. Does your watch gain or lose?
101. The gain is greater than the loss.
102. It's amazing what some people will do for gain.
103. He acted with no thoughts of personal gain.
104. Retail sales showed a gain of 0.4%.
105. What do you hope to gain by this action?
106. They sold the company purely for short-term gain.
107. You gain five hours when you fly from New York to London.
108. Employees can expect lateral moves to different departments,(sentencedict .com) to gain experience.
109. Don't let your feeling gain the upper hand over you.
110. Teachers have to apply in the classroom the insights that they gain in educational courses.
111. The programme enables pupils to gain some experience of the world of work.
112. If he's hoping to gain promotion, he will have to pull his socks up.
113. The spacecraft will fly round the Earth to gain/gather momentum for its trip to Jupiter.
114. Last year there was only a modest gain in earnings.
115. She wondered how she could gain entry to the building.
116. If this is the standard to which I have to drop to gain membership, then count me out!
117. The government has deliberately frustrated his efforts to gain work permits for his foreign staff.
118. His son had an obsessive drive to gain his father's approval.
119. There will be no financial gain for mothers from this new system.
120. A politician soon learns to swim with the tide and offer the voters things that they want, so as to gain their votes.