Scumble (verb) (noun)
skum-bl
to soften (the color or tone of a painted area) by overlaying parts with opaque or semiopaque color applied thinly and lightly with an almost dry brush. The effect produced by this technique.
1790–1800; perhaps equivalent to scum (v.) + -le, with intrusive b
Example sentences
“He used a dry brush and scumbled the area.”
