This is the 14003rd most frequent German word.
gefräßig
Gluttonous; excessively greedy (especially with food).
The word 'gefräßig' here describes the dog's excessive appetite.
Der gefräßige Hund fraß den ganzen Topf Eintopf.
The voracious dog devoured the entire pot of stew.
In this context, 'gefräßig' metaphorically describes an intense desire for achievement.
Sein gefräßiger Appetit auf Erfolg machte ihn unermüdlich.
His voracious appetite for success made him tireless.
Here, 'gefräßig' refers to the caterpillars' insatiable need to consume vegetation.