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as in unfathomable
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as in deep-sea
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Recent Examples of abyssal
For its part, TMC intends to have large vessels out at sea deploying collector vehicles down to abyssal depths of 2.5-3.75 miles (4-6 km) in the Clarion Clipperton Zone in the Pacific Ocean.
—
New Atlas, 5 Apr. 2025
Seamounts are underwater mountains that rise hundreds or thousands of feet from the seafloor and can provide a vital habitat for marine life, while abyssal hills are smaller, underwater mounds.
—Josh Hammer, MSNBC Newsweek, 1 Apr. 2025
Three years of computer modeling found the Antarctic overturning circulation – also known as abyssal ocean overturning – is on track to slow 42% by 2050 if the world continues to burn fossil fuels and produce high levels of planet-heating pollution.
—Hilary Whiteman, CNN, 29 Mar. 2023
Beijing announced new tariffs against the US on Friday, deepening the already abyssal trade war between the two countries.
—Aj Willingham, CNN, 26 Aug. 2019
As an open-source project, C:DDA has its inner workings posted freely online, where anyone with a working knowledge of C++ can dive in and add weapons, recipes, and more information into the simulation's already abyssal depths.
—Eric Limer, Popular Mechanics, 17 Dec. 2018
Even here, though, abyssal tuba notes exposed a sonic substratum.
—Alex Ross, The New Yorker, 21 Apr. 2017
Before New Horizons flew by, scientists thought there wouldn’t be much in the way of geological activity happening out there on the fringe, where temperatures are decidedly abyssal and materials tend to freeze in place.
—National Geographic, 14 July 2016
New Atlas, 5 Apr. 2025
Seamounts are underwater mountains that rise hundreds or thousands of feet from the seafloor and can provide a vital habitat for marine life, while abyssal hills are smaller, underwater mounds.
—Josh Hammer, MSNBC Newsweek, 1 Apr. 2025
Three years of computer modeling found the Antarctic overturning circulation – also known as abyssal ocean overturning – is on track to slow 42% by 2050 if the world continues to burn fossil fuels and produce high levels of planet-heating pollution.
—Hilary Whiteman, CNN, 29 Mar. 2023
Beijing announced new tariffs against the US on Friday, deepening the already abyssal trade war between the two countries.
—Aj Willingham, CNN, 26 Aug. 2019
As an open-source project, C:DDA has its inner workings posted freely online, where anyone with a working knowledge of C++ can dive in and add weapons, recipes, and more information into the simulation's already abyssal depths.
—Eric Limer, Popular Mechanics, 17 Dec. 2018
Even here, though, abyssal tuba notes exposed a sonic substratum.
—Alex Ross, The New Yorker, 21 Apr. 2017
Before New Horizons flew by, scientists thought there wouldn’t be much in the way of geological activity happening out there on the fringe, where temperatures are decidedly abyssal and materials tend to freeze in place.
—National Geographic, 14 July 2016
Recent Examples of Synonyms for abyssal
Adjective
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Now, Caron and Kirby have teamed up again for this emotional roller coaster of a film, with Lynette going to unfathomable lengths to protect her family’s future.—
Jeff Conway,
Forbes.com,
14 Aug. 2025
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But carrying around a little mini garbage can for our butts is unfathomable.—
Jeremy D. Larson,
Pitchfork,
14 Aug. 2025
Adjective
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Argentinians have a surprising new fixation — a livestream of deep-sea creatures spotted during an international expedition to map one of the country’s largest deep-sea canyons.—
Leslie Katz,
Forbes.com,
8 Aug. 2025
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Both offer public fishing excursions and private charters, cruising near the shore or heading out to the open ocean for deep-sea fishing.—
Brandee Gruener,
Southern Living,
6 Aug. 2025
Adjective
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Making Use of Whole Life Insurance Without Needing Shortcuts As far as the infinite banking concept goes, many families are using policy cash value as a private source of lending.—
Nia Bowers,
USA Today,
15 Aug. 2025
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The idea that this idiot could just casually walk through a rift in space to get to an infinite closet was just an absurd throwaway gag in the first season.—
Alan Sepinwall,
Rolling Stone,
15 Aug. 2025
Adjective
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Robotic underwater vehicles play an important role in marine research, environmental operations, deepwater exploration, and search-and-rescue missions.—
Jason Falconer,
IEEE Spectrum,
30 July 2013
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Today, his empire includes oil tankers, dry bulkers, LNG carriers and deepwater drilling rigs.—
Mary Whitfill Roeloffs,
Forbes.com,
21 July 2025
Adjective
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Atlantis Casino Resort Spa is a vast property that can hold its own alongside some of the finest hotels on the Vegas Strip.—
DeMarco Williams,
Forbes.com,
8 Aug. 2025
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The good-hearted yet hard-living NFL chief was equally known for his vast collection of music and sports memorabilia, which is highlighted by guitars that once belonged to rock legends the likes of Bob Dylan, Eric Clapton, Jerry Garcia, George Harrison, and Prince.—
Wendy Bowman,
Robb Report,
7 Aug. 2025
Adjective
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Depositing the fleet of six benthic landers into the gulf has been an expensive and thorny process.—
Robin Catalano,
Smithsonian Magazine,
10 June 2024
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According to the study authors, these changes can be tied to stagnation and decline in the ocean’s biodiversity, particularly among benthic animals, or animals associated with the bottom of the sea, such as corals, crustaceans, and brachiopods.—
Sam Walters,
Discover Magazine,
24 June 2025
Adjective
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Meanwhile, offshore, the Oregon Islands National Wildlife Refuge pulses with life: think harbor seals, black oystercatchers, and pelagic cormorants.—
Lewis Nunn,
Forbes.com,
8 Aug. 2025
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But since these pelagic fish spend most of their time at depths of 1,000 feet or more, and are typically only caught by ocean longliners, scientists are still trying to understand their biology and life histories.—
Dac Collins,
Outdoor Life,
18 June 2025
Adjective
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Shortly after the fire began, the Turkish Coast Guard posted that marine traffic was temporarily suspended in the north-south direction, Al Arabiya reported.—
Anna Skinner
Amanda Castro
John Feng,
MSNBC Newsweek,
8 Aug. 2025
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Australia’s iconic Great Barrier Reef, famed for its stunning colors and biodiversity, suffered its biggest ever decline last year after a marine heatwave bleached vast swathes of hard coral, a new report has found.—
Jessie Yeung,
CNN Money,
6 Aug. 2025
Cite this Entry
“Abyssal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/abyssal. Accessed 21 Aug. 2025.
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