appetite
n. C / Un. the natural feeling of wanting to eat food. It can also mean a strong desire for something else, like success or adventure.
n. a natural desire to satisfy a bodily need, especially for food. In a figurative sense, it refers to a strong liking or desire for a particular activity or object.
The long walk gave me a huge appetite.
After the long hike through the mountains, the group had a massive appetite for a warm meal.
The company's aggressive expansion into international markets suggests an insatiable appetite for growth that shows no signs of slowing down despite the current economic climate.
From Middle English appetit, from Old French apetit (French appétit), from Latin appetitus, from appetere (“to strive after, long for”); ad + petere (“to seek”). See petition, and compare with appetence.
Uncountable when referring to the general physical sensation of hunger; countable when referring to a specific desire for something ('an appetite for risk').
I have a big appetite of pizzaI have a big appetite for pizzaWhen expressing a desire for a specific thing, the noun takes the preposition 'for' rather than 'of'.