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 sooty: more sooty

"But she has head that the devil is black; and having a mind to make one of me, brays together, in the mortar of her wild fancy, twenty chimney-sweepers, in order to make one sootier than ordinary rise out of the dirty mass."