Adjective
Incapable of being fathomed; immeasurable; that can not be sounded.
Incomprehensible.
Source: Webster's dictionaryThe human spirit lies open to God alone, for it is a fathomless depth. Seraphim of Sarov
The sky was horribly dark, but one could distinctly see tattered clouds, and between them fathomless black patches. Suddenly I noticed in one of these patches a star, and began watching it intently. That was because that star had given me an idea: I decided to kill myself that night. Fyodor Dostoyevsky
Listen to your life. See it for the fathomless mystery it is. In the boredom and pain of it, no less than in the excitement and gladness: touch, taste, smell your way to the holy and hidden heart of it, because in the last analysis all moments are key moments, and life itself is grace. Frederick Buechner
I felt myself on the edge of the world; peering over the rim into a fathomless chaos of eternal night. H. P. Lovecraft
Praised be the fathomless universe For life and joy and for objects and knowledge curious; And for love, sweet love-But praise! O praise and praise For the sure-enwinding arms of cool-enfolding Death. Walt Whitman
For me, time is the greatest mystery of all. The fact is that we're dreaming all the time. That's what really gets me. We have a fathomless lake of unconsciousness just beneath our skulls. Anthony Hopkins