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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To some, the Galatasaray forward’s selection in the starting line-up is unfathomable and is now being used to portray Nagelsmann as stubborn or unwilling to react to performances.
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The money the Hornets still owed Ball was almost unfathomable in normal circles, but not in the NBA’s alternate universe.
Adjective
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Among the programs the endowment will serve are youth travel ball grants focused on military children, Padres VIP game day experiences by military members and their families and deep-sea fishing trips for military families.
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Mapping deep-sea ecosystems Environmental studies remain a critical requirement before any commercial deep-sea mining activity can move forward.
Adjective
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To escape the gravitational grip of a black hole from this point, matter would have to accelerate to a speed faster than the speed of light, which Einstein's theory of special relativity tells us would require infinite energy.
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Apple knows what its doing; its vertical integration affords more co-optimization opportunities that the Windows PC ecosystem simply can’t match due to the near infinite mix of potential hardware and software configurations.
Adjective
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Marine welders handle massive, oddly shaped, and heavy components such as deepwater jacket strengthening rings and module nodes.
-
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.
Adjective
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The vast majority of those flights — 80% of them — have been dedicated to building out the company's Starlink broadband megaconstellation in low Earth orbit.
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In the final days of the war, the Nazis sought to destroy the party’s vast collection of membership cards and took them to a pulp mill near Munich for that reason.
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.
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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.
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.
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Researchers also encountered glass squid and spotted a pelagic octopus feeding on a bright red jellyfish.
Adjective
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That included seafloor mapping data, water-column observations, and measurements of marine biomass.
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More than 40 different species of shark can be found in the Bahamas' approximately 630,000 square kilometers of marine area, according to the Pew Environmental Group.
Cite this Entry
“Abyssal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/abyssal. Accessed 30 Jun. 2026.
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