Auto-Antonym: Agony

The OED Online Word of the Day for Jan. 24, 2007 was agony. The first two definitions are:

• Anguish of mind, sore trouble or distress, a paroxysm of grief.
  
• Intensity or paroxysm of pleasure.

If grief and pleasure are considered opposites, then agony is an an auto-antonym, or word that can mean the opposite of itself.

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