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

     

    dullness

     noun
    noun
    BrE BrE//ˈdʌlnəs//
     
    ; NAmE NAmE//ˈdʌlnəs//
     
    [uncountable]
     
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  1. 1the quality of not being interesting or exciting the dullness of modern architecture
  2. 2the quality of not being bright or shiny The sky was bright, contrasting with the dullness of the bare branches reaching upwards.
  3. 3the quality of being cloudy and slightly dark Despite the dullness of the weather, she whistled all the way home.