Dictionary.com
Thesaurus.com
Showing results for deep-sea. Search instead for deep-read.
Synonyms

deep-sea

American  
[deep-see] / ˈdipˈsi /

adjective

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

    deep-sea fishing; deep-sea diver.


deep-sea British  

noun

  1. (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.

See Examples For:

Conservationists say this and other extraordinary deep-sea snails, limpets, mussels and clams could be threatened by plans to mine valuable minerals from the deep seabed.

From BBC Jul. 9, 2026

In April 2022, the senior military officers say, they approached her through a member of their unit who was a hobby deep-sea diver.

From The Wall Street Journal Jun. 12, 2026

About a decade ago, Japan discovered a large, deep-sea rare earth deposit that is considered the world’s third-largest high-quality, mineral-rich rare earth reserve.

From Barron's May 20, 2026

It was a leftover structure from a deep-sea anemone, specifically the base that once attached the animal to the seafloor.

From Science Daily Apr. 27, 2026

Crusher was designed for a single purpose: to mine deep-sea minerals.

From "The Wild Robot Protects" by Peter Brown

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training