Comparative form of steamy: more steamy(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "steamier" in a sentence
"And research for certain steamier aspects of my writing, of course ..."
"I love breaking out cozy sweaters and feeling refreshed after the steamier days of summer."
"Just like in movies, sometimes it's a natural part of the process - sometimes it's just there to get a steamier rating, but doesn't add anything to the story."