#effortfulness__effortfulnes  the quality of requiring deliberate effort
  exclusion:  effortlessness
  supertype:  difficultness__difficultnes  the quality of being difficult; "they agreed about the difficulty of the climb"
  subtype:  arduousness__arduousnes__strenuousnes  extreme effortfulness
  subtype:  laboriousness__laboriousnes__operosenes__toilsomenes  the quality of requiring extended effort

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