as in hole
a sunken area forming a separate space
water collected in a shallow concavity on the floor of the cave
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Recent Examples of concavity
The new Gilder Center — granite on the outside, shotcrete on the inside, with a seductive composition of concavities and curves — comes off as a true New Yorker: defiantly eccentric, rough, show-offy, and smart.
—
Justin Davidson, Curbed, 28 Jan. 2026
And what is the second derivative, or the concavity, of the potential during those same relevant e-foldings of inflation?
—Big Think, 22 Oct. 2025
Antonio Stradivari, for instance, carefully tinkered with the geometry of his violins—the relative concavity of the back and the front, the thickness of the wood—to produce his legendary results.
—Chris Almeida, The New Yorker, 6 Jan. 2024
In addition to measurements, scientists were also able to detect a large, broad concavity in one of the asteroid's two hemispheres as well as subtle dark and lighter regions that indicate small-scale surface features a few dozen meters across.
—Ariana Garcia, Chron, 22 Feb. 2023
Father pushed boards with his palm to make the concavity recede into dust.
—Oliver De La Paz Victoria Chang, New York Times, 23 Nov. 2022
The bump settled into the concavity of the sink.
—Morgan Thomas, The Atlantic, 16 May 2021
The right side of the head was one enormous concavity, which Lacassagne attributed to strikes from the bottle.
—Douglas Starr, Discover Magazine, 28 Feb. 2011
Justin Davidson, Curbed, 28 Jan. 2026
And what is the second derivative, or the concavity, of the potential during those same relevant e-foldings of inflation?
—Big Think, 22 Oct. 2025
Antonio Stradivari, for instance, carefully tinkered with the geometry of his violins—the relative concavity of the back and the front, the thickness of the wood—to produce his legendary results.
—Chris Almeida, The New Yorker, 6 Jan. 2024
In addition to measurements, scientists were also able to detect a large, broad concavity in one of the asteroid's two hemispheres as well as subtle dark and lighter regions that indicate small-scale surface features a few dozen meters across.
—Ariana Garcia, Chron, 22 Feb. 2023
Father pushed boards with his palm to make the concavity recede into dust.
—Oliver De La Paz Victoria Chang, New York Times, 23 Nov. 2022
The bump settled into the concavity of the sink.
—Morgan Thomas, The Atlantic, 16 May 2021
The right side of the head was one enormous concavity, which Lacassagne attributed to strikes from the bottle.
—Douglas Starr, Discover Magazine, 28 Feb. 2011
Recent Examples of Synonyms for concavity
Noun
-
Cut a piece of PVC piping slightly longer than the pot’s height, then drill holes 2 inches (5 centimeters) apart along its sides.—
ABC News,
ABC News,
7 Apr. 2026
-
Residents in West Philadelphia are fed up with a massive hole in the middle of their street.—
Kerri Corrado,
CBS News,
7 Apr. 2026
Noun
-
When a microwave photon enters the cavity, and its energy matches the splitting of the quantum double dot, it is absorbed by the electron.—
Ameya Paleja,
Interesting Engineering,
3 Apr. 2026
-
For example, a small cavity that needs a quick filling might cost $200.—
Tribune News Service,
The Orlando Sentinel,
3 Apr. 2026
Noun
-
Elevated prices could pinch consumer spending and dent business revenue, triggering a slowdown in economic growth, some analysts said.—
Max Zahn,
ABC News,
10 Apr. 2026
-
An effective vaccine could put a huge dent in the growing burden of Lyme disease.—
Tara Haelle,
Scientific American,
9 Apr. 2026
Noun
-
Guerrilla groups such as Colombia’s National Liberation Army (ELN), dissident FARC factions and Venezuelan criminal organizations operate across mining zones, frequently imposing taxes on miners and controlling pits through violence.—
Antonio María Delgado,
Miami Herald,
9 Apr. 2026
-
Because these pits are often discarded by food processing facilities and tend to cost less than raw nuts, some commercial producers use them to flavor their almond extract.—
Emily Saladino,
Bon Appetit Magazine,
9 Apr. 2026
Noun
-
Each year without the dead only deepens the furrow of their absence.—
Sasha Geffen,
Pitchfork,
10 Mar. 2026
-
This creates an intricate network of microscopic cracks that, in addition to visible furrows, help retain the water elephants douse themselves in to stay cool.—
Clare Watson,
Quanta Magazine,
27 Feb. 2026
Noun
-
This sharp satire of the entertainment industry tackles serious issues like addiction and depression while never skimping on the jokes.—
Andrew Walsh,
Entertainment Weekly,
5 Apr. 2026
-
In 2024, Ryyan was diagnosed with depression and obsessive-compulsive disorder, or OCD.—
Kennedy Cook,
CBS News,
5 Apr. 2026
Noun
-
It was answered instantly by two birds that were in a Iittle hollow almost behind me.—
Charles Elliott,
Outdoor Life,
2 Apr. 2026
-
Generously pipe filling into hollow of each egg white half (save any leftover filling in the fridge for another use).—
Shilpa Uskokovic,
Bon Appetit Magazine,
17 Mar. 2026
Noun
-
When the band sits too high, the shoulder straps bear excess weight, often leading to deep indentations or tension.—
Malana VanTyler
March 20,
Fort Worth Star-Telegram,
20 Mar. 2026
-
Even the faintest scratches and indentations become legible.—
Ryan Brennan,
Kansas City Star,
9 Mar. 2026
Cite this Entry
“Concavity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/concavity. Accessed 11 Apr. 2026.
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