What does the word unconscionable mean?

Usage examples for unconscionable

  1. He comes here and writes his letters at the most unconscionable hours, and uses up all my note- paper in telling some horsekeeper what is to be done with his mare. – Orley Farm by Anthony Trollope
  2. " Then I'm an unconscionable cad," he said. – The Breaking Point by Mary Roberts Rinehart
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