voracious
vuh-RAY-shusadjMeaning wanting huge amounts of food, or of some activity
Memory hook VOR = eat: de-VOUR-s every book. Sami devours a book, then another, then another, and still wants more: he is a voracious reader.
After swimming all morning, the voracious campers ate every pancake in sight.
In context Sami is a voracious reader; he finishes a book every day and still asks the librarian what else he can borrow.
Similar ravenous, insatiable, greedy, avid
Opposite full, satisfied, indifferent
From Latin vorax, “greedy for food,” from vorare (to devour).