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 Savor is making butter without agriculture, instead replicating processes found near deep-sea hydrothermal vents. Big Think, 22 Apr. 2026 The trial took place at a depth of 11,483 feet (3,500 meters) during a deep-sea science expedition involving the Chinese research ship named Haiyang Dizhi 2, according to the South China Morning Post. Jonathan M. Gitlin, ArsTechnica, 16 Apr. 2026 The drugs were seized at London Gateway, a deep-sea container port about 30 miles from London. Kerry Breen, CBS News, 11 Apr. 2026 Dawn choruses are getting shorter and the oceans echo with the din of transcontinental shipping and deep-sea mining. Literary Hub, 9 Apr. 2026 See All Example Sentences for deep-sea
Recent Examples of Synonyms for deep-sea
oceanic
Adjective
  • This heat wave, which is the oceanic equivalent of a heat wave on land, could have broad ramifications for sea life, as warm water species like hammerhead sharks and bluefin tuna migrate into areas where they are normally not seen, and cold-water species move deeper and further north.
    Andrew Freedman, CNN Money, 22 Apr. 2026
  • Her favorite blends include a viral favorite from British heritage fragrance house, Jo Malone, and an oceanic body spray from none other than Dior, both of which are still available to add to your rotation.
    Rebecca Norris, InStyle, 11 Apr. 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 2 May. 2026.

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