Part of speech:
(Specifically) International waters; parts of the ocean that are not considered to belong to any specific country.
Any of the principal divisions of this body of water, including the Atlantic, Pacific, Indian, and Arctic Oceans.
The condition of the ocean's surface with regard to its course, flow, swell, or turbulence:
Find another word for deep-blue-sea. In this page you can discover 9 synonyms, antonyms, idiomatic expressions, and related words for deep-blue-sea, like: high-seas, ocean, open-sea, sea, the brine, the briny deep, the deep, the deep sea and the Seven Seas.