Synonym: chance, endanger, expose, gamble, hazard, imperil, jeopardize, venture. Antonym: safety. Similar words: brisk, risky, disk, rise, perish, Irish, arise, wrist. Meaning: [rɪsk] 
n. 1. a source of danger; a possibility of incurring loss or misfortune 2. a venture undertaken without regard to possible loss or injury 3. the probability of becoming infected given that exposure to an infectious agent has occurred 4. the probability of being exposed to an infectious agent. v. 1. expose to a chance of loss or damage 2. take a risk in the hope of a favorable outcome.
n. 1. a source of danger; a possibility of incurring loss or misfortune 2. a venture undertaken without regard to possible loss or injury 3. the probability of becoming infected given that exposure to an infectious agent has occurred 4. the probability of being exposed to an infectious agent. v. 1. expose to a chance of loss or damage 2. take a risk in the hope of a favorable outcome. 
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31. This is a very minor operation and there is very little risk involved.
32. The risk and severity of sunburn depend on the body's natural skin colour.
33. There was a risk of genuine refugees being returned to Vietnam.
34. The only physical risk I ran was being bowled over by one of the many joggers.
35. If executives fail to exploit the opportunities of networking they risk being left behind.
36. People should eat less fat to reduce the risk of heart disease.
37. The new test will enable us to identify more accurately patients who are most at risk.
38. It seems only right to warn you of the risk.
39. The man must be bonkers to take such a risk.
40. There is a small risk of brain damage from the procedure.
41. Hard work never killed anybody. But why take the risk.
42. As it was an unsecured loan,[sentencedict.com] their property was not at risk.
43. The West's inaction has put millions of people at risk of starvation.
44. We could probably trust her with the information but it's just not worth the risk.
45. Smoking in pregnancy increases the risk of producing a low birthweight baby.
46. Tenants who fall behind in their rent risk being evicted.
47. It's the money that spurs these fishermen to risk a long ocean journey in their flimsy boats.
48. If you don't warm up before taking exercise, you risk injuring yourself.
49. Forget the risk and take the fall. If it's what you want(Sentencedict.com), then it's worth it all.
50. The report underlined his concern that standards were at risk.
51. He took a risk when he crossed the old bridge.
52. To minimize the risk of burglary, install a good alarm system.
53. Dr Lee believes that men who exercise can halve their risk of cancer of the colon.
54. Standard measurements of blood pressure are an important but crude way of assessing the risk of heart disease or strokes.
55. At the risk of seeming rude, I'm afraid I have to leave now.
56. Eating a good diet significantly lessens the risk of heart disease.
57. You must be mad to risk it.
58. Spread the risk by diversifying into dollar bonds.
59. The building is unsafe?enter at your own risk.
60. This test carries a high risk of miscarriage.