Without a shore, or with no shore in sight; boundless.(adjective)
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Use "shoreless" in a sentence
"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."
"Every success against the terrorists is a reminder of the shoreless ambitions of this enemy."
"Or rather, thanks for the wander in the “the shoreless city.”"