Question

The term that most accurately describes "greedy" is _____.

Answer 1

Voracious would be the closest. It means to devour something or eat it fast, or, how I see it, greedily.

Answer 2

The term that most accurately describes "greedy" is voracious. It means wanting more and more.
Volatile means unpredictable. Vulgarization is the process of making something vulgar or less refined. Voluminous is something big and spacious.