He took 'indecent' pleasure in her troubles.
an 'indecently' short skirt
an 'indecent' joke
(..) I want to see everything. A moment. And now I'm doing kitchenmaid's work because Nadya's parents won't let her set foot in the house. And who can blame them? It's indecent. It's Konstantin. Yes, good. The doctor here is useless. Get me one from Moscow. Where did you go? (..)2012 Anna Karenina