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. 
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1. Did the alarm clock buzz?
2. I've set my alarm clock for six tomorrow.
3. I forgot to set the burglar alarm.
4. The alarm frightened the thief away.
5. The noise would have provoked alarm and neighbourly concern.
6. They heard the fire alarm.
7. Did the alarm clock go off ?
8. Please turn off the alarm clock.
9. Cooking fumes may activate the alarm.
10. They heard the fire alarm and frightened.
11. I set the alarm clock for 8.
12. He stepped forward and she backed away in alarm.
13. 'What have you done?' Ellie cried in alarm.
14. The slightest touch will set off the alarm.
15. Is your car fitted with an alarm?
16. A professionally installed alarm will cost from about ￡500.
17. The doctor said there was no cause for alarm.
18. The customers fled when the alarm sounded.
19. Would you turn off the alarm clock?
20. Did the alarm clock ring?
21. The hens cackled in alarm.
22. I felt a growing sense of alarm when he did not return that night.
23. Not every morning wake up your alarm clock, but dream!
24. When we heard the alarm, we went up on deck.
25. There is growing public alarm at this increase in crime.
26. The alarm is usually sufficient to deter a would-be thief.
27. The noise of the fire alarm resounded through/throughout the building.
28. He returned to the airport to find his car alarm going off.
29. I didn't tell her that he was late because I didn't want to cause her any alarm.
30. As the fox came into the yard(Sentencedict.com ), the chickens began squawking in alarm.