deep-sea
Americanadjective
noun
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.
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
Some of the animals seen by the scientists also live in hydrothermal vents and cold seeps, suggesting whale carcasses could help connect these deep-sea communities.
From Barron's ● Jun. 10, 2026
It was known that when whales die and drop to the seafloor, their sunken bodies -- called "whale falls" -- provide a source of food to deep-sea creatures.
From Barron's ● Jun. 10, 2026
“I know this place. We’re close. We have to go through the Orleans, to get to the deep-sea platforms. We’ll need a water taxi.”
From "Ship Breaker" by Paolo Bacigalupi
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
