DEEP-SEA Synonyms: 8 Similar and Opposite Words

deep-sea

adjective

ˈdēp-ˈsē

Definition of deep-sea next

as in oceanic

of, relating to, or occurring in the open sea chartered a boat to do some deep-sea fishing

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

littoral

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of deep-sea And lastly, abyssine (according to the brand) is a polymer derived from deep-sea organisms that eliminates and protects from pollution, environmental stressors, and general damage. —

Tamim Alnuweiri, InStyle, 15 June 2026 Researchers explored the remains during multiple deep-sea submersible trips in 2023, collecting samples and mapping the extent of the necropolis. —

Adithi Ramakrishnan, Los Angeles Times, 14 June 2026 The ship will also carry a 40-meter coring system for extracting deep-sea sediment samples, advanced oceanographic instrumentation, and fiber-rope lifting systems capable of operating across virtually the entire water column—from surface to seafloor. —

Dea Jusufi, Forbes.com, 13 June 2026 But not everything in this deep-sea necropolis is dead. —

Mindy Weisberger, CNN Money, 12 June 2026 See All Example Sentences for deep-sea

Recent Examples of Synonyms for deep-sea

oceanic

Adjective

Panthalassa previously conducted oceanic field tests using its Ocean-1, Ocean-2, and Wavehopper designs in 2021 and 2024 to verify the stability of its power generation and navigational software.

— Aman Tripathi, Interesting Engineering, 19 June 2026
But other sea life could struggle While not solely the work of El Niño, warmer oceanic waters can wreak havoc on ocean life.

— Los Angeles Times, Los Angeles Times, 15 June 2026