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

     

    niceness

     noun
    noun
    BrE BrE//ˈnaɪsnəs//
     
    ; NAmE NAmE//ˈnaɪsnəs//
     
    [uncountable]
     
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  1. 1the quality of being kind and friendly In some professions, niceness does not get you very far.
  2. 2the quality of being pleasant, enjoyable or attractive all that Christmas niceness