voracious

As an adjective voracious

is wanting or devouring great quantities of food.

As a noun avidity is

greediness; strong appetite.

As adjectives the difference between voracious and ravening

is that voracious is wanting or devouring great quantities of food while ravening is voracious and greedy.

As a noun ravening is

eagerness for plunder; rapacity; extortion.

Ferocious is a synonym of voracious.

As adjectives the difference between voracious and ferocious

is that voracious is wanting or devouring great quantities of food while ferocious is marked by extreme and violent energy.

As adjectives the difference between fervent and voracious

is that fervent is exhibiting particular enthusiasm, zeal, conviction, persistence, or belief while voracious is wanting or devouring great quantities of food.

As adjectives the difference between tenacious and voracious

is that tenacious is clinging to an object or surface; adhesive while voracious is wanting or devouring great quantities of food.

As adjectives the difference between voracious and hungry

is that voracious is wanting or devouring great quantities of food while hungry is affected by hunger; desiring of food; having a physical need for food.

As a noun veracity

is (uncountable) truthfulness.

As an adjective voracious is

wanting or devouring great quantities of food.

As adjectives the difference between voracious and capricious

is that voracious is wanting or devouring great quantities of food while capricious is impulsive and unpredictable; determined by chance, impulse, or whim.