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.
Her expertise enabled immediate identification of multiple new deep-sea species. New Atlas, 31 Dec. 2025 As a science journalist and ocean explorer, she's investigated misinformation campaigns on social media, embedded in Alaskan archaeological digs, and contributed to the discovery of deep-sea organisms in the Central Pacific. Madison Dapcevich, Outside, 25 Dec. 2025 Some rely on furnaces hotter than 760°C, others on pressures comparable to deep-sea environments, and many involve hazardous compounds such as hydrazine or melamine. Rupendra Brahambhatt, Interesting Engineering, 20 Dec. 2025 Terminal Catalunya operates the Barcelona Europe South Terminal (BEST), which is the main deep-sea gateway for cargo moving to and from Barcelona and elsewhere throughout Spain. Glenn Taylor, Sourcing Journal, 15 Dec. 2025 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

Browse Nearby Words

Cite this Entry

“Deep-sea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deep-sea. Accessed 5 Jan. 2026.

Kids Definition

deep-sea

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