dissiliencyrare.|dɪsˈsɪlɪənsɪ| [see next and -ency.] The quality of being dissilient; tendency to spring asunder. lit. and fig. 1882–3A. P. Peabody in Schaff Encycl.Relig.Knowl. III. 1747 Not only dissent, but strong dissiliency was almost unanimously expressed by the Unitarian clergy.