/
vəˈreɪʃəs/
adj.
  - wanting or devouring great quantities of food.
 - very eager or enthusiastic in one's approach:
 a voracious reader.
 
Derivative
- voraciously adv.
  - voraciousness n.
  - voracity n.
 
Etymology
C17: from L. vorax, vorac- (from vorare ‘devour’) + -ious.