DICT.TW Dictionary Taiwan

 forgetfulness
 琉璃草;勿忘草

 For·get·ful·ness, 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.   --Pope.
 3. Failure to bear in mind; careless omission; inattention; as, forgetfulness of duty.
 Syn: -- Forgetfulnes, Oblivion.
 Usage: Forgetfulness is Anglo-Saxon, and oblivion is Latin. The former commonly has reference to persons, and marks a state of mind; the latter commonly has reference to things, and indicates a condition into which they are sunk. We blame a man for his forgetfulness; we speak of some old custom as buried in oblivion. But this discrimination is not strictly adhered to.
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 forgetfulness
      n 1: tendency to forget
      2: unawareness caused by neglectful or heedless failure to
         remember; "his forgetfulness increased as he grew older"