as in hollow
curved inward
a concave lens
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Antonyms & Near Antonyms
as in cavity
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Example Sentences
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Recent Examples of concave
Daniel Fusch, Ascend Agency, 11 Nov. 2025
In particular, the concave deck feels a lot like a skateboard and allows for better board feel and control—enabling Payne to do actual kick-flips on the wave.
—Rob Reed, Forbes.com, 8 Sep. 2025
Georgina Jedikovska, Interesting Engineering, 6 Oct. 2025
The fit is superb, with just a little more room needed below the knee for my aforementioned calves, a slight shortening of the sleeves, and a reduction of the jacket’s center seam to account for my concave back.
—Eric Twardzik, Robb Report, 6 Sep. 2025
See All Example Sentences for concave
Adjective
In 1604, Johannes Kepler would be credited with the first accurate explanation of how concave lenses could correct nearsightedness, as opposed to convex glasses for farsightedness.
—Daniel Fusch, Ascend Agency, 11 Nov. 2025
In particular, the concave deck feels a lot like a skateboard and allows for better board feel and control—enabling Payne to do actual kick-flips on the wave.
—Rob Reed, Forbes.com, 8 Sep. 2025
Noun
According to the firm, the larger prototype includes a 1,485-square-foot (138 square meters) heliostat made of 40 movable mirrors that track the sun and reflect its rays towards a 32-foot-wide (10 meters) concave dish concentrator.
—Georgina Jedikovska, Interesting Engineering, 6 Oct. 2025
The fit is superb, with just a little more room needed below the knee for my aforementioned calves, a slight shortening of the sleeves, and a reduction of the jacket’s center seam to account for my concave back.
—Eric Twardzik, Robb Report, 6 Sep. 2025
See All Example Sentences for concave
Recent Examples of Synonyms for concave
Adjective
-
The design uses a hollow double-walled architecture in which water flows continuously through internal channels, while propane and air mix separately before combustion.—
Kaif Shaikh,
Interesting Engineering,
25 May 2026
-
Spectacular amounts of energy kept his lobby art system generating, yet the result felt utterly hollow.—
Emily Watlington,
ARTnews.com,
24 May 2026
Noun
-
Sometimes a deep cavity close to a tooth’s nerve can be sealed off, a little like an Egyptian tomb, in an approach called selective caries removal.—
The New York Times News Service Syndicate,
San Diego Union-Tribune,
26 May 2026
-
That bacteria can then enter a patient’s open cavity, leading to infection.—
Judy L. Thomas,
Kansas City Star,
19 May 2026
Adjective
-
Aside from the sunken Tail Fanning, the crew lost Roscoe, Rea's dog, during the incident.—
David Chiu,
PEOPLE,
27 May 2026
-
The semi-sunken nature of the court design encourages the stadium to blend into the gardens and greenhouses and houses a collection of tropical plants from the Americas, Africa, Oceania and Asia.—
Tim Newcomb,
Forbes.com,
26 May 2026
Noun
-
The guiding image of my process was not an outline, but the ball pit found at indoor playgrounds, beloved by children and feared by adults who carry hand sanitizer just for such activities.—
Literary Hub,
Literary Hub,
29 May 2026
-
This was once the site of the deepest pit in the world.—
Michael Walker,
New York Times,
29 May 2026
Adjective
-
Margaret Prior is almost thirty, unmarried, depressed, and living with her overbearing mother.—
Literary Hub,
Literary Hub,
26 May 2026
-
Morris is lonely and depressed.—
Jeanne Phillips,
Mercury News,
25 May 2026
Noun
-
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,
Big Think,
22 Oct. 2025
Adjective
-
Not only does the material ensure comfort and support, but the unique design, with thick straps that curve to the exact shape of my arches and a cupped heel, creates a glove-like fit that hugs my feet.—
Rachel Trujillo,
PEOPLE,
25 Apr. 2026
-
The hood was spreading, forming its cupped oval.—
John McPhee,
New Yorker,
20 Apr. 2026
Noun
-
Schizophrenia, bipolar, autism, anxiety, depression – all of these topics are almost global bestsellers.—
Jon LaPook,
CBS News,
31 May 2026
-
Environmental conditions appear conducive for additional development, and a tropical depression is likely to form in early June, Berg wrote.—
Dinah Voyles Pulver,
USA Today,
30 May 2026
Cite this Entry
“Concave.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/concave. Accessed 1 Jun. 2026.
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