esurient

adjective

1. 1

   devouring or craving food in great quantities

   edacious vultures

   a rapacious appetite

2. 2

   (often followed by `for') ardently or excessively desirous

   avid for adventure

   an avid ambition to succeed

3. 3

   extremely hungry

   they were tired and famished for food and sleep

   a ravenous boy