Definition of placidity noun from the Oxford Advanced Learner's Dictionary

     

    placidity

     noun
    noun
    BrE BrE//pləˈsɪdəti//
     
    ; NAmE NAmE//pləˈsɪdəti//
     
    [uncountable]
     
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  1. 1the quality in a person or an animal of not being easily excited or irritated Nothing could disturb her sweetness and placidity.
  2. 2the fact of being calm and peaceful, with very little movement synonym tranquillity the placidity of the English countryside