Synonym: peaceful, quiet, serene, still, tranquil. Antonym: excited, storm, stormy. Similar words: calm down, palm, realm, almost, salmon, alma mater, call, recall. Meaning: [kɑːm] 
n. steadiness of mind under stress. v. 1. make calm or still 2. make steady 3. become quiet or calm, especially after a state of agitation 4. cause to be calm or quiet as by administering a sedative to. adj. 1. not agitated; without losing self-possession 2. (of weather) free from storm or wind 3. living without undue worry; taking life easy.
n. steadiness of mind under stress. v. 1. make calm or still 2. make steady 3. become quiet or calm, especially after a state of agitation 4. cause to be calm or quiet as by administering a sedative to. adj. 1. not agitated; without losing self-possession 2. (of weather) free from storm or wind 3. living without undue worry; taking life easy. 
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31. She has to take sedatives to calm her nerves.
32. It is important to keep/stay calm in an emergency.
33. It is important to keep calm in an emergency.
34. You must try to calm down.
35. The sails hung limply in the flat calm .
36. Seals basked on boulders in a flat calm.
37. Norman's brain was reeling, but he did his best to appear calm.
38. I like to get everything done before the guests arrive and relax for a moment in the calm before the storm.
39. I quietly walked away,I gently rippling heart will become calm.
40. Try to remain calm.
41. They may feel tired and though outwardly calm, can be irritable.
42. Even at the end, when cancer racked his body[http://sentencedict.com], he was calm and cheerful.
43. What is needed in such cases is a calm appraisal of the situation.
44. The country needs a period of calm without more surges of radical change.
45. Just calm down, stop gabbling, and tell me what has happened.
46. After a night of fighting, the streets are now calm.
47. She was angry at first but we managed to calm her down.
48. She has the ability to keep calm in an emergency.
49. Having a calm smile to face with being disdained indicates kind of confidence.
50. May I be firm and resolute! May I be kind, compassionate, and friendly! May I be humble, calm, quiet, unruffled and serene! May I serve to be perfect! May I be perfect to serve!
51. There were few sights as beautiful as the calm ocean on a warm night.
52. Sean drank a large glass of brandy to calm his nerves.
53. She looked as calm and serene as she always did.
54. Forgetting someone doesn't mean never think of him, but thinking of him with a calm heart.
55. Calvin remained outwardly calm, but inside he was very angry.
56. Javed Miandad appealed for calm, but he failed to quieten the protesters.
57. It is not in the still calm of life, or in the repose of a pacific station, that great characters are formed.
58. It's easy for you to tell me to keep calm, but you're not in my position.
59. She has a reputation for being calm and cool-headed.
60. Though badly frightened, she appeared outwardly calm.