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

     

    stiffness

     noun
    noun
    BrE BrE//ˈstɪfnəs//
     
    ; NAmE NAmE//ˈstɪfnəs//
     
    [uncountable]
     
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  1. 1difficulty in moving because of pain in your muscles pain and stiffness in her legs
  2. 2the quality of not being friendly or relaxed his military stiffness and reserve
  3. 3the fact of being firm and difficult to bend or move The stiffness of the leather rubbed her heels uncomfortably.
  4. 4the fact of being more difficult or severe than usual the stiffness of the competition