This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. comparative form of murky: more murky

"The Supreme Court ruled that honest-services fraud can still be used to prosecute clear-cut crimes such as bribes or kickbacks, but not in murkier circumstances like the case against Mr. Skilling."