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

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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 The restaurant offered various types of wild game on the menu, along with fresh walleye fish and deep-sea fish. Rashika Jaipuriar, IndyStar, 29 Jan. 2026 Many marine invertebrates can live incredible lifespans, with some deep-sea tube worms reaching 300 years old and one clam off the coast of Iceland having been found to be more than 500. Marina Wang, Scientific American, 19 Jan. 2026 According to China Daily, the system is expected to support future deep-sea resource exploration missions and contribute to China’s national deep-sea scientific drilling program. Kaif Shaikh, Interesting Engineering, 16 Jan. 2026 At the same time, some insurers have declined to insure deep-sea mining projects. Hossain Ahmed Taufiq, The Conversation, 15 Jan. 2026 See All Example Sentences for deep-sea
Recent Examples of Synonyms for deep-sea
oceanic
Adjective
  • Again and again, Tennyson fills his beautifully wrought poems with enormous, unfathomable depths—sometimes cosmic, sometimes temporal, sometimes psychological, often oceanic.
    Kathryn Schulz, New Yorker, 9 Feb. 2026
  • Dogfish have fewer electroreceptors than many open-water species such as blacktips and oceanic whitetips, which are susceptible to longlines meant for tuna and swordfish.
    Bill Kearney, Sun Sentinel, 6 Feb. 2026

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Cite this Entry

“Deep-sea.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/deep-sea. Accessed 15 Feb. 2026.

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