Wiktionary
oceanlike
a. Relating to an ocean in vastness or composition.
Usage examples of "oceanlike".
Anna was grateful: glad to have a good piece of equipment between her and the bottom of Superior, glad to be leaving the oceanlike expanse for the more protected channels and coves of the north shore.
He followed this with a detailed description of El Tigre, the river launch Coronet Gasparo, and the difficulty of sailing such a vessel into the oceanlike River Plate estuary.