American English

Definition of calm adjective from the Oxford Advanced American Dictionary

      

    calm

     adjective
    adjective
    NAmE//kɑm//
     
    (calmer, calmest)
     
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  1. 1not excited, nervous, or upset It is important to keep calm in an emergency. Try to remain calm. Her voice was surprisingly calm. The city is calm again (= free from trouble and fighting) after yesterday's riots.
  2. 2(of the ocean) without large waves
  3. 3(of the weather) without wind a calm, cloudless day
  4.  
    adverb “I'll call the doctor,” he said calmly.
  5.  
    noun [uncountable]
See the Oxford Advanced Learner's Dictionary entry: calm