1. the quality or state of being covered with or containing soot

Examples

• The sootiness of the chimney walls indicated years of use.
• After the fire, the sootiness of the kitchen made cleanup difficult.
• The old factory’s sootiness was evident on every surface.
• She scrubbed away the sootiness from the fireplace bricks.
• The sootiness of his hands showed he had been working with coal.
• Years of burning wood had given the cabin walls a permanent sootiness.