Antonyms of EFFICIENT

Examples of usage:

  1. What is an efficient boy? "Jonas on a Farm in Winter" by Jacob Abbott
  2. Would that have been the only and efficient cure for Germany's disease? "The Valley of Vision" by Henry Van Dyke
  3. The order was made before the election and in the interest of efficient public service. "Complete State of the Union Addresses from 1790 to the Present" by Various

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