The Collaborative International Dictionary
Incommunicable \In`com*mu"ni*ca*ble\, a. [L. incommunicabilis: cf. F. incommunicable. See In- not, and Communicable.] Not communicable; incapable of being communicated, shared, told, or imparted, to others.
Health and understanding are incommunicable.
--Southey.
Those incommunicable relations of the divine love.
--South.
-- In`com*mu"ni*ca*ble*ness, n. -- In`com*mu"ni*ca*bly,
adv.
Wiktionary
adv. In an incommunicable manner or fashion.
Usage examples of "incommunicably".
This was now, strangely enough, his dominating thought: the consciousness that he and she had passed through the fusion of love and had emerged from it as incommunicably apart as though the transmutation had never taken place.