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

     

    unfitness

     noun
    noun
    BrE BrE//ʌnˈfɪtnəs//
     
    ; NAmE NAmE//ʌnˈfɪtnəs//
     
    [uncountable]
     
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  1. 1the fact that somebody/something is not suitable for something because they are not good enough or capable enough unfitness (for something) her obvious unfitness for the job unfitness (to do something) The majority shareholder had demonstrated his unfitness to control a limited company.
  2. 2the fact of not being capable of doing something, for example because of illness unfitness (for something) A doctor's note is necessary to prove unfitness for work. unfitness (to do something) The psychiatrist's report established his unfitness to stand trial.
  3. 3(especially British English) the fact of not being in good physical condition or of not being fit, because you have not taken exercise childhood obesity and unfitness
  4. opposite fitness