1) Hungrily 2) Insatiably 1) In a rapacious manner 
[adv] - in a rapacious manner
rapaciously 1. In a rapacious manner; such as, living by preying on other animals especially by catching living prey: 'The rapacious wolves were devouring the deer.' 2. Excessively greedy and grasping: 'She was a rapacious divorcee on the prowl to get more money.' 3. Devouring or craving food in great quantities: 'Despite her liver condition, she...
adverb in a rapacious manner