Voraciousness

The businessman's voraciousness for success drove him to work long hours and take on new challenges.

The collector's voraciousness for rare stamps drove him to attend auctions and travel to different countries.

The voraciousness of his appetite made him finish the entire pizza by himself.

Her voraciousness for knowledge led her to read every book in the library.

The voraciousness of the toddler's hunger required frequent meal times.