[griz.zle] n [ME grisel, adj., gray, fr. MF, fr. gris, of Gmc origin; akin to OHG gris gray] (1601) 1 archaic: gray hair
2. a: a roan coat pattern or color b: a gray or roan animal
[2]grizzle vb griz.zled ; griz.zling vt (1740): to make grayish ~ vi 1: gripe, grumble
2: to become grayish