1
as in unfathomable
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2
as in deep-sea
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Recent Examples of abyssal
Along with the abyssal green dress, Union wore embellished leather sandal heels courtesy of Miu Miu for an extra dose of summer style.
—
Julia Teti, Footwear News, 12 June 2026
To delve to the (geological) heart of the matter, scientists want to know the moon’s deepest secret—what’s happening at its most abyssal depths.
—Robin George Andrews, Scientific American, 7 Apr. 2026
Advertisement The cliché of the grandmaster whose mind has been tied in knots contemplating the abyssal depths of a chess game is largely a fantasy; despite a few high-profile cases, no statistical link has been established between skill in chess and madness.
—Jordan Himelfarb, Time, 15 Dec. 2025
The heart of noir tends to be nihilism, its abyssal mood a veil that invites you to glimpse the darker machinery of a world ruled by insurmountable powers where resistance leads only to ruin.
—Nicholas Quah, Vulture, 22 Sep. 2025
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
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
Julia Teti, Footwear News, 12 June 2026
To delve to the (geological) heart of the matter, scientists want to know the moon’s deepest secret—what’s happening at its most abyssal depths.
—Robin George Andrews, Scientific American, 7 Apr. 2026
Advertisement The cliché of the grandmaster whose mind has been tied in knots contemplating the abyssal depths of a chess game is largely a fantasy; despite a few high-profile cases, no statistical link has been established between skill in chess and madness.
—Jordan Himelfarb, Time, 15 Dec. 2025
The heart of noir tends to be nihilism, its abyssal mood a veil that invites you to glimpse the darker machinery of a world ruled by insurmountable powers where resistance leads only to ruin.
—Nicholas Quah, Vulture, 22 Sep. 2025
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
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
Recent Examples of Synonyms for abyssal
Adjective
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So to not have caught this at some earlier stage was just unfathomable to me.—
Kerry Breen,
CBS News,
13 June 2026
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That level of wealth, all owned by just one person, was once unfathomable.—
Wyatte Grantham-Philips,
Fortune,
12 June 2026
Adjective
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Researchers explored the remains during multiple deep-sea submersible trips in 2023, collecting samples and mapping the extent of the necropolis.—
Adithi Ramakrishnan,
Los Angeles Times,
14 June 2026
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The ship will also carry a 40-meter coring system for extracting deep-sea sediment samples, advanced oceanographic instrumentation, and fiber-rope lifting systems capable of operating across virtually the entire water column—from surface to seafloor.—
Dea Jusufi,
Forbes.com,
13 June 2026
Adjective
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According to general relativity, in a rotating black hole, the singularity—the theoretical point of infinite density at the center—is really a one-dimensional ring, with closed timelike curves arcing around it.—
Clara Moskowitz,
Scientific American,
12 June 2026
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Check out this Italian getting his world rocked by receiving infinite refills for his ice-cold soda.—
Austin Perry OutKick,
FOXNews.com,
12 June 2026
Adjective
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Eisbrenner chose Brownsville for its deepwater access, low vessel traffic, and her conviction that the oil-rich Permian Basin in West Texas would eventually flood the region with excess natural gas.—
Jordan Blum,
Fortune,
24 May 2026
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Brazil, the region’s largest oil and gas producer, is now a global leader in deepwater and ultra-deepwater production and aims to rank among the world’s top five crude producers by 2030, driven by prolific fields such as Búzios.—
Juan Pablo Spinetto,
Mercury News,
23 Apr. 2026
Adjective
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These are the birthplaces of vast amounts of planets.—
Robert Lea,
Space.com,
14 June 2026
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Because the vast majority of people sickened with salmonella get better without seeing a medical professional, official outbreak counts usually include only a fraction of the number of people actually infected.—
David J. Neal,
Miami Herald,
13 June 2026
Adjective
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By filtering fine organic particles from the water and stabilizing sediments, sea pansies participate in benthic nutrient cycling — the process by which nutrients are exchanged between the water column and the ocean floor.—
Samantha Agate,
Charlotte Observer,
23 Apr. 2026
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Recognizable by their strong pharyngeal teeth used to crush mollusc shells, black carps can significantly impact local ecosystems by feeding on mussels and snails, and competing with other native benthic fishes like smallmouth buffalo.—
Cheyenne Derksen,
Oklahoman,
18 Mar. 2026
Adjective
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Sargassum includes pelagic species of brown seaweed that have their origin offshore in the Atlantic Ocean and float on its surface, according to the FWC.—
Sarah Perkel,
USA Today,
16 June 2026
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Researchers also encountered glass squid and spotted a pelagic octopus feeding on a bright red jellyfish.—
Ashley Vega,
PEOPLE,
15 June 2026
Adjective
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The Miami-Dade Sheriff’s Office marine unit recovered the body, who was later identified as the missing person, Liverpool.—
Sofia Saric
June 16,
Miami Herald,
17 June 2026
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Plastic accumulates in our oceans and on our beaches, killing seabirds, sea turtles and other marine mammals.—
Kelley Dennings,
The Orlando Sentinel,
17 June 2026
Cite this Entry
“Abyssal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/abyssal. Accessed 20 Jun. 2026.
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