Synonyms of deep-sea

deep-sea

adjective

ˈdēp-ˈsē 

as in oceanic

of, relating to, or occurring in the open sea

chartered a boat to do some deep-sea fishing

Synonyms & Similar Words

• oceanic
• marine
• pelagic
• blue-water
• deepwater
• maritime
• nautical

Antonyms & Near Antonyms

• littoral

Example Sentences

Recent Examples of deep-sea

The Minderoo Foundation, named after the cattle and sheep ranch where Forrest grew up, supports everything from deep-sea preservation to the performing arts. — Eleanor Pringle, Fortune, 8 July 2026

Vessels are pictured off coast of the Khor Fakkan Container Terminal, the only natural deep-sea port in the region and one of the major container ports in Sharjah Emirate, along the Gulf of Oman on June 28, 2026. — Azhar Sukri, CNBC, 4 July 2026

This latest milestone highlights deep-sea offshore wind as a vital strategic frontier for China’s global energy leadership and for driving the commercialization of clean technology. — Mrigakshi Dixit, Interesting Engineering, 29 June 2026

Among the programs the endowment will serve are youth travel ball grants focused on military children, Padres VIP game day experiences by military members and their families and deep-sea fishing trips for military families. — Kirk Kenney, San Diego Union-Tribune, 26 June 2026