Sentence Examples


  • He was diligent in the matter of temperature control.
  • They were diligent in the performance of their duties.
  • He made a diligent inquiry; so, how do I refuse the labor?
  • There was a diligent effort in which chance has played a big part.
  • It required a diligent reader with critical understanding, unlike too many popular science books that obfuscate with over-simplification.