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ineffective

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adjective ineffective pronunciation in British English /ˌɪnɪˈfektɪv/
  1. 1
    something that is ineffective does not work correctly or does not do what you want it to do

    He dismissed the argument as ineffective.

    be ineffective in doing something:

    The policy has been largely ineffective in cutting crime.

  2. 2
    unable to do a job well

    an ineffective performer

derived words

ineffectiveness

noun [uncountable]
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