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

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

Excellent deep-sea fishing and the allure of new luxury vacation community called Cinnamon Shore are just two reasons to consider this Texas coastal town. — Tara Massouleh McCay, Southern Living, 21 June 2026

Trump urged Starmer to resume deep-sea drilling in the North Sea to ramp up gas and oil production in order to calm markets. — Claire Carter, The Washington Examiner, 21 June 2026