deep-sea

[ deep-see ]

adjective

1. of, pertaining to, in, or associated with the deeper parts of the sea:

   deep-sea fishing; deep-sea diver.

deep-sea

noun

1. modifier of, found in, or characteristic of the deep parts of the sea

   deep-sea fishing

Word History and Origins

Origin of deep-sea¹

First recorded in 1620–30

Example Sentences

But it would be years until the general public learned of this deep-sea discovery.

From Los Angeles Times

I was invited to speak at the United Nations about deep-sea mining, which is something I am passionate about.

From Salon

Images and a digital scan from an 2022 expedition carried out by deep-sea mapping company Magellan and documentary makers Atlantic Productions show that the railing was still attached - though it was starting to buckle.

From BBC

The hearing revealed other text messages between Titan and its mother ship as the deep-sea vessel began its trek to the sea floor to see the iconic British ocean liner that sank in 1912.

From BBC

Five people on board the Titan sub died when the experimental deep-sea craft imploded in June 2023 as it began a planned descent to the wreck of the Titanic.

From BBC

Related Words

• aquatic
• coastal
• maritime
• naval
• saltwater
• seagoing