sooty

adj

1. Of, relating to, or producing soot.

   “Fire of sooty coal.”

   “The white faience façade, the glazed Doultonware Carrera marble, was made locally. And being glazed, it was impervious to London's sooty atmosphere, enabling easier cleaning.”

2. Soiled with soot
3. Of the color of soot.

   “The grisly legions that troop under the sooty flag of Acheron.”

4. (literary, obsolete)Dark-skinned; black.

   “While thus reduced, his few surviving senses were at once called into acute activity by the appearance of a sooty little negro, who placed within his grasp a misshapen fold of dirty paper, […]”

   “And, though I've laughed at your expense, / O sister of the sooty hue, / No man who has a heart and sense / Would do one deed to injure you.”

verb

1. To blacken or make dirty with soot.

   “Sootied with noisome smoke.”