open sea

American  

noun

1. the main body of a sea or ocean, especially the part that is outside territorial waters and not enclosed, or partially enclosed, by land.

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Example Sentences

Ukrainian sea drones have revolutionised naval warfare since Moscow's invasion, relentlessly hunting down Russian warships and tankers in the open sea and even at naval bases.

From BBC • May 8, 2026

If that is correct, the vessel and its crew likely crossed a significant stretch of open sea to reach Als, pointing to a carefully planned and organized military expedition.

From Science Daily • Feb. 16, 2026

The family of Alejandro Carranza Medina, 42, who was killed on September 15, rejected assertions there were drugs on his vessel and said he was a fisherman doing his job on the open sea.

From Barron's • Jan. 27, 2026

The style Matthiessen conjures is almost visual, with fragments of scene description and lines of unattributed dialogue arranged on the page like solitary brushstrokes or like breakers of spume on the open sea.

From The Wall Street Journal • Nov. 21, 2025

There was chaos on deck, people shouting and trying to get the schooner into open sea as quickly as possible.

From "Six of Crows" by Leigh Bardugo