She has an 'appetite for' adventure. [=she likes adventure; she likes to do adventurous things]
That movie made me 'lose my appetite'. [=I no longer wanted to eat after seeing that movie]
Delicious smells from the kitchen 'whetted our appetites'. [=made us hungry]
(..) without a home, let alone a television show. - I'm sorry. - Not as sorry as I am. The truth is, after so many years... ...you begin to lose more than just your appetite. You wear a mask for so long, you forget who you were beneath it. I'm sorry, chief inspector. Same basic toxicology as Prothero. (..)2005 V for Vendetta
(..) I understand what you did for me, and I want you to know I am grateful. Your hands. Yes. There, that's better. I hope I didn't put you off your appetite. - No, please. It's just... Are you all right? - Yes, yes, yes, I'm fine. Can I ask what happened? There was a fire. A long time ago. (..)2005 V for Vendetta