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]
(..) Of course, there were romances, but for some reason or other, nothing stuck. - Oh! - A little heavy. - Oh. One thing Rose always had was a great appetite. For life! Oh, God! Why would anyone want to marry me? I'm disgusting! The only disgusting person here (..)2005 In Her Shoes