† exˈcessful,a.Obs. [f. excess n. + -ful.] Characterized by excess; excessive. 1633Bp. Hall Hard Texts 475 In a degree above necessity and convenience even to wantonnesse and excessefull curiosity.1664H. More Myst. Iniq. vii. 128 This extreme glory..and excessfull affluency of the World.