a. [ Cf. F. diffusif. ] Having the quality of diffusing; capable of spreading every way by flowing; spreading widely; widely reaching; copious; diffuse. “A plentiful and diffusive perfume.” Hare. [ 1913 Webster ]
adv. In a diffusive manner. [ 1913 Webster ]
n. The quality or state of being diffusive or diffuse; extensiveness; expansion; dispersion. Especially of style: Diffuseness; want of conciseness; prolixity. [ 1913 Webster ]
The fault that I find with a modern legend, it its diffusiveness. Addison. [ 1913 Webster ]