Answer: SOOTIER

AnswerCrossword Clue
SOOTIERBlacker
SOOTIERLike a busier sweep?
SOOTIERLike a busier sweep
SOOTIERMore blackened.
SOOTIERMore fuliginous
SOOTIERMore blackened
SOOTIERLike Santa after returning to the North Pole?
SOOTIERMore dirty, as Santa's boots
SOOTIERHaving swept more chimneys?
SOOTIERMore carbon-covered
sootierSOOTY, covered with soot
sootierof a black, blackish, or dusky color
sootierconsisting of or resembling soot
sootiercovered, blackened, or smirched with soot