deep-sea

American

[deep-see] / ˈdipˈsi /

adjective

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

deep-sea fishing; deep-sea diver.

deep-sea British

noun

(modifier) of, found in, or characteristic of the deep parts of the sea

deep-sea fishing

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of deep-sea

First recorded in 1620–30

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

These include regional fisheries bodies and the International Seabed Authority -- the forum where nations are jousting over proposed rules on the environmentally destructive deep-sea mining industry.

From Barron's

Peering through his goggles, diver Ted Judah had laid eyes on a deep-sea creature rarely encountered by humans.

From Los Angeles Times

Ash Hallwood works as a deep-sea diver, and said when he is home in Miskin he sees many L plates on cars.

From BBC

This technology allowed them to follow the movements of bigscale pomfret over time, something that had been difficult to achieve with deep-sea fish.

From Science Daily

After years of observation, researchers found no trace of zombie worms, despite their well-known role in breaking down whale bones and supporting deep-sea food webs.

From Science Daily

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023