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

     

    sleekness

     noun
    noun
    BrE BrE//ˈsliːknəs//
     
    ; NAmE NAmE//ˈsliːknəs//
     
    [uncountable]
     
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  1. 1(approving) the quality of being smooth and shiny The brush gives hair more sleekness and shine. The building combines the modern sleekness of concrete with the warmth of natural wood.
  2. 2(often disapproving) the quality of looking rich or expensive From his designer suit to his handmade Italian shoes, he radiated sleekness.