Synonym: agitate, arouse, call, disturb, frighten, jar, jolt, shock, signal, startle, summons, unnerve, warning. Similar words: alarmed, salary, on a large scale, a large number of, farm, arm, harm, warm. Meaning: [ə'lɑːm] 
n. 1. fear resulting from the awareness of danger 2. a device that signals the occurrence of some undesirable event 3. an automatic signal (usually a sound) warning of danger 4. a clock that wakes sleeper at preset time. v. 1. fill with apprehension or alarm; cause to be unpleasantly surprised 2. warn or arouse to a sense of danger or call to a state of preparedness.
n. 1. fear resulting from the awareness of danger 2. a device that signals the occurrence of some undesirable event 3. an automatic signal (usually a sound) warning of danger 4. a clock that wakes sleeper at preset time. v. 1. fill with apprehension or alarm; cause to be unpleasantly surprised 2. warn or arouse to a sense of danger or call to a state of preparedness. 
Random good picture Not show
31. She turned off the alarm and promptly went back to sleep.
32. Where's the fire alarm?
33. The alarm emits infra-red rays which are used to detect any intruder.
34. Fire fighters responded to a false alarm at one of the college dormitories.
35. It's my alarm clock.
36. It was thought that the fire alarm had been set off as a prank.
37. The rumours of a petrol shortage turned out to be a false alarm.
38. To minimize the risk of burglary, install a good alarm system.
39. We were in the middle of an exam when the fire alarm went off .
40. In case of fire, ring the alarm bell.
41. The proceedings were interrupted by the fire alarm.
42. A visible alarm makes burglars think twice.
43. The alarm clock awoke me on time.
44. There is growing alarm at the increase in crime.
45. The burglar alarm is activated by movement.
46. My alarm went off at 6 A.M.
47. This news fills me with alarm.
48. I've set the alarm for 7 o'clock.
49. She was unable to sound the alarm .
50. The unexpected course of events aroused considerable alarm.
51. Someone set off the fire alarm .
52. The head teacher's policies have provoked alarm among parents.
53. The alarm clock went off, but she didn't stir.
54. She set her alarm for 7 o'clock.
55. Unfortunately any little noise can set off the alarm. Sentencedict.com
56. This alarm clock takes two medium-sized batteries.
57. Put the alarm clock on for 7 o'clock.
58. The same alarm is manifest everywhere.
59. Who set off the fire alarm?
60. I was still asleep when the alarm went off.