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

     

    slackness

     noun
    noun
    BrE BrE//ˈslæknəs//
     
    ; NAmE NAmE//ˈslæknəs//
     
    [uncountable]
     
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  1. 1(disapproving) the quality of not putting enough care, attention or energy into something and so not doing it well enough There was evidence of slackness in security at the prison.
  2. 2the fact of not being stretched tight synonym looseness (1) It should be possible to adjust the slackness in the cables.