Definition of "usefulness" []

• The quality of being useful, to which extent something is useful (noun)

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• "Well enjoy the perks while you can because Palin will throw you under the tractor trailer wheels as soon as your usefulness is all used up."
• ""The U.S. will have to find a balance between their immediate needs and the long-term usefulness of their actions," says Mr. Haqqani."
• "EnterRustic Fruit Desserts, a collaboration between James Beard winner Cory Schreiber and Portland baker Julie Richardson, a book whose usefulness is clear straight from the introduction, where the authors describe each pastry-fruit iteration."