soot

Definitions

A black powdery or flaky substance produced by the incomplete burning of organic matter.

To cover or stain with soot.

Examples

The chimney sweep was covered in black soot after cleaning the fireplace.

Thick soot from the forest fire clouded the sky for several days.

Synonyms

smut grime ash carbon dirt filth smoke

Antonyms

cleanliness purity whiteness spotlessness clarity brightness sanitation