: of, relating to, or occurring in the deeper parts of the sea
deep-sea fishing
Examples of deep-sea in a Sentence
chartered a boat to do some deep-sea fishing
Recent Examples on the Web
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.
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Marina Wang, Scientific American, 19 Jan. 2026
The high seas also include extraordinary undersea landscapes such as submarine mountains and deep-sea trenches.
—Veronika Meduna, Forbes.com, 17 Jan. 2026
Resource exploration and future use Deep-sea strata are believed to contain strategically important resources, including natural gas hydrates, deep-sea rare-earth elements, and polymetallic nodules.
—Kaif Shaikh, Interesting Engineering, 16 Jan. 2026
Unlike deep-sea mining or Arctic shipping, overfishing is prompting cooperation on many levels.
—Hossain Ahmed Taufiq, The Conversation, 15 Jan. 2026
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Marina Wang, Scientific American, 19 Jan. 2026
The high seas also include extraordinary undersea landscapes such as submarine mountains and deep-sea trenches.
—Veronika Meduna, Forbes.com, 17 Jan. 2026
Resource exploration and future use Deep-sea strata are believed to contain strategically important resources, including natural gas hydrates, deep-sea rare-earth elements, and polymetallic nodules.
—Kaif Shaikh, Interesting Engineering, 16 Jan. 2026
Unlike deep-sea mining or Arctic shipping, overfishing is prompting cooperation on many levels.
—Hossain Ahmed Taufiq, The Conversation, 15 Jan. 2026
See All Example Sentences for deep-sea
Cite this Entry
“Deep-sea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deep-sea. Accessed 23 Jan. 2026.
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