#forgetfulness.unknowingness__forgetfulnes  unawareness caused by neglectful or heedless failure to remember; "his forgetfulness increased as he grew older"
  supertype:  unknowingness__unknowingnes__unawarenes  unconsciousness resulting from lack of knowledge or attention
  subtype:  obliviousness__obliviousnes  total forgetfulness; "he sought the great oblivion of sleep"

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