Synonyms of deep-seanext
: 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
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.
Collecting valuable data NOD representatives said deep-sea mapping in Norwegian waters dates back to the 1800s. Georgina Jedikovska, Interesting Engineering, 22 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 Its namesake ingredient—mineral-rich deep-sea water sourced near Korea's Dokdo region—is naturally packed with skin-balancing minerals like magnesium and calcium. Christa Joanna Lee, Allure, 19 June 2026 The reversal comes after the agency’s May 21 announcement of its intent to remove hundreds of deep-sea buoys and sensors employed by the $368-million Ocean Observatories Initiative had drawn congressional and international backlash. Dan Vergano, Scientific American, 18 June 2026 See All Example Sentences for deep-sea

Word History

First Known Use

circa 1625, in the meaning defined above

Time Traveler
The first known use of deep-sea was circa 1625

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Cite this Entry

“Deep-sea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deep-sea. Accessed 30 Jun. 2026.

Kids Definition

deep-sea

adjective
ˌdēp-ˌsē
: of, relating to, or occurring in the deeper parts of the sea
deep-sea fishing
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