Forgetfulness

For·get·ful·ness

Forgetfulness

n.
  1. The quality of being forgetful; prononess to let slip from the mind.
  2. Loss of remembrance or recollection; a ceasing to remember; oblivion.
    A sweet forgetfulness of human care.
  3. Failure to bear in mind; careless omission; inattention; as, forgetfulness of duty.