† incomˈpoundnessObs. [f. in-3 + compound a. + -ness.] The quality or state of not being compound. 1600Abp. Abbot Exp. Jonah 195 The single incompoundnesse of that self-moving soule..in comparison of the flesh.1649W. Blithe Eng. Improv. Impr. (1653) 137 The onely sign..is the incompoundness of it.