I. ˈskəmbəl transitive verb
( scumbled ; scumbled ; scumbling -b(ə)liŋ ; scumbles )
Etymology: freq. of scum (II)
1.
a. : to make (color or a painting) less brilliant by covering with a thin coat of opaque or semiopaque color applied with a nearly dry brush
b. : to apply (a color) in this manner
2. : to soften the lines or colors of (a drawing) by rubbing lightly (as with a stump or a finger)
3. : to paint, draw, or produce by scumbling
II. noun
( -s )
1. : the act of scumbling
2. : a softened effect produced by scumbling
3. : a material (as paint) used for scumbling