Synonym: jump, leap, spring, vault. Antonym: hind. Similar words: bucket, duck, suck, tuck, fuck, truck, fucking. Meaning: [bʌk] 
n. 1. a gymnastic horse without pommels and with one end elongated; used lengthwise for vaulting 2. a piece of paper money worth one dollar 3. United States author whose novels drew on her experiences as a missionary in China (1892-1973) 4. a framework for holding wood that is being sawed 5. mature male of various mammals (especially deer or antelope). v. 1. to strive with determination 2. resist 3. move quickly and violently 4. jump vertically, with legs stiff and back arched.
n. 1. a gymnastic horse without pommels and with one end elongated; used lengthwise for vaulting 2. a piece of paper money worth one dollar 3. United States author whose novels drew on her experiences as a missionary in China (1892-1973) 4. a framework for holding wood that is being sawed 5. mature male of various mammals (especially deer or antelope). v. 1. to strive with determination 2. resist 3. move quickly and violently 4. jump vertically, with legs stiff and back arched. 
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31. It'll be a long time before the situation starts to buck up.
32. The owners don't want to overlook any opportunity to make a buck.
33. The President is unlikely to buck pressure from the public.
34. The buck stops with him. He is ultimately responsible for every aspect of the broadcast.
35. People are saying if we don't buck up we'll be in trouble.
36. Buck up ! Lots of people fail their driving test first time.
37. His life isn't ruled by looking for a fast buck.
38. Buck up kid! It's not the end of the game.
39. She's always trying to pass the buck and I'm sick of it!
40. Alex is always looking for ways to buck the system.
41. When she put the car in gear it began to buck wildly.
42. This is a long-term project. We are not out to make a quick buck.
43. The aim, it seemed, was to buck up their spirits in the face of the recession.
44. Buck up your ideas or you'll get more of the same treatment.
45. If in doubt, pass the buck.
46. Wouldn't you like to make a quick buck, Derek?
47. We are not in this for a fast buck.
48. Still others, to make a buck.
49. Mr. Loyden Is not the Minister passing the buck?
50. I wish it would buck up and be Monday.
51. I personally refuse to pass the buck.
52. Buck remembers the date easily enough.
53. Uncle Buck isn't an isolated case.
54. Buck still had to putt and secure second place.
55. Though initial offerings in a handful of years did buck this trend, they did so by tiny amounts.
56. To do so they would have to buck the very system on which they now depend.
57. Me thinks another pilgrim is trying to make a buck.
58. It's easy to pass the buck and blame someone else for your failure.Sentence dictionary
59. I started out as a buck private and served in five different enlisted grades before becoming an officer.
60. It was my decision to close the hospital; the buck stops with me.