Comparative form of sketchy: more sketchy(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "sketchier" in a sentence
"FinReg won't do enough to fight payday loans, writes Timothy Noah: One of the sketchier provisions in Dodd-Frank affirmatively prohibits Warren's new agency from setting a maximum interest rate on payday loans ..."
"Sharon retold the story as briefly as she could and made an even sketchier explanation of how and why she had volunteered to look after Ridge in his home."
"I've had some luck getting laid with AdultFriendFinder (it sounds so much sketchier than it actually is, I promise), but if that's not what you're looking for, then stay away."