appetite · noun C or U /ˈæp.ə.tɑɪt/
appetite
C1 the feeling that you want to eat
Dictionary examples:
a good/healthy appetite
All that walking gave me quite an appetite.
If I have a snack now it will spoil my appetite and I won't want dinner.
Learner example:
The tasteless food spoiled our appetite. (Certificate in Advanced English; C1; Chinese)
an appetite for something
C2 when you want something very much
Dictionary example:
He has a real appetite for adventure.
Learner example:
It does not occur to him that Jack has degenerated into blood-lust and is driven by hatred and an appetite for power. (Certificate of Proficiency in English; C2; Polish)