食欲 (shokuyoku) means “appetite” | MotiTan Japanese Dictionary

More examples

昼食の前にお菓子を食べると、食欲が落ちます。chū shoku no mae ni o ka shi o ta be ru to shoku yoku ga o chi ma su

If I eat snacks before lunch, I lose my appetite.

Describes the desire for food as a bodily feeling that can rise or fade with physical condition.

食い気kuike: A desire to eat, expressed in casual everyday speech.
空腹kūfuku: A physical need for food that arises when the stomach is empty.

食べ物を食べたいと思う気持ち。ta be mono o ta be ta i to omo u ki mo chi

The Sino-Japanese compound 食欲 (shokuyoku) combines 食 (shoku, "food") with 欲 (yoku, "desire") to express the desire to eat.

In everyday Japanese, 食欲 (shokuyoku) commonly appears with ある (aru) or ない (nai), as in 食欲がない (shokuyoku ga nai) for having no appetite.