adj. Without a shore, or with no shore in sight; boundless.
the GNU version of the Collaborative International Dictionary of English
adj. Having no shore or coast; of indefinite or unlimited extent.
The Century Dictionary and Cyclopedia
Having no shore or coast; of indefinite or unlimited extent.
Word Usage
"There, he was humble enough to confess to himself, was a chartless, shoreless sea, about which he knew nothing and which he must nevertheless somehow navigate."