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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151. He would gain considerable advantage from staying in that job.
152. From the late nineteenth century Britain and other European powers began to gain control of parts of the Ottoman Empire.
153. The company didn't disclose how much it expects to gain from the two deals.
154. Husbands and wives of British nationals do not automatically gain citizenship.
155. Eating too many fatty goods could cause weight gain .
155. Sentencedict.com try its best to collect and make good sentences.
156. Tom is trying to gain an advantage over me by getting Joe's support.
157. You need to read more widely to gain a proper understanding of the issue.
158. Scientists have only recently been able to gain access to the area.
159. Fruit and vegetable prices rose 1.3 per cent atop a 2 per cent gain last month.
160. One certainly hopes to gain a little wisdom as one grows older.
161. If the school continues to gain in stature, it will attract the necessary financial support.
162. We are still trying to get/gain a foothold in the Japanese market.
163. Are we likely to gain anything by going out ?
164. She continually failed to gain promotion because of her sex.
165. Only after ten years in the country did she gain her citizenship.
166. What you gain on the swings you'll probably lose on the roundabouts.
167. The other, less creditable, reason for their decision was personal gain.
168. It took a long time to gain her confidence .
169. By this manoeuvre, he hopes to gain an advantage at a later stage.
170. The firemen broke down the wall in order to gain quick access to the building on fire.
171. What you lose in income you will gain in experience.
172. The party had a net gain of nine seats on the local council.
173. What do you hope to gain by pulling a stunt like that?
174. The police were unable to gain entrance to the house.
175. They realise that passing exams is no longer enough to gain a place at university.
176. New teachers have to earn/gain the respect of their students.
177. This enabled me to gain an overall impression of the school.
178. He continued to gain on the rest of the runners.
179. The Democratic Party needed a net gain of only 20 votes.
180. The members of the team are practising very hard in order to gain the championship in the coming games.