different between voraciousness vs voracious

English

voracious +? -ness

voraciousness (uncountable)

From Latin vor?x, from vor? (“I devour”).

voracious (comparative more voracious, superlative most voracious)

Wanting or devouring great quantities of food.
- 1719, Daniel Defoe, Robinson Crusoe, ch. 6:
  I never had so much as . . . one wish to God to direct me whither I should go, or to keep me from the danger which apparently surrounded me, as well from voracious creatures as cruel savages.
- 1867, Charles Dickens, Oliver Twist, ch. 45:
  The old man was up, betimes, next morning, and waited impatiently for the appearance of his new associate, who after a delay that seemed interminable, at length presented himself, and commenced a voracious assault on the breakfast.
- 1910, Jack London, "The Human Drift":
  Retreating before stronger breeds, hungry and voracious, the Eskimo has drifted to the inhospitable polar regions.
Having a great appetite for anything.
- 1922, Walter Lippmann, Public Opinion, ch. 7:
  If he carried chiefly his appetite, a zeal for tiled bathrooms, a conviction that the Pullman car is the acme of human comfort, and a belief that it is proper to tip waiters, taxicab drivers, and barbers, but under no circumstances station agents and ushers, then his Odyssey will be replete with good meals and bad meals, bathing adventures, compartment-train escapades, and voracious demands for money.
- 2005, Nathan Thornburgh, "The Invasion of the Chinese Cyberspies," Time, 29 Aug.:
  Methodical and voracious, these hackers wanted all the files they could find.

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