as in hollow
curved inward
a concave lens
Synonyms & Similar Words
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Antonyms & Near Antonyms
as in cavity
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Dissimilar Words
Example Sentences
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Recent Examples of concave
Rob Reed, Forbes.com, 8 Sep. 2025
The bell and diaphragm devices have a wide, flat side for high frequencies and a smaller, concave side for low frequencies.
—Bestreviews, Mercury News, 8 Sep. 2025
New Atlas, 14 Sep. 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 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
The bell and diaphragm devices have a wide, flat side for high frequencies and a smaller, concave side for low frequencies.
—Bestreviews, Mercury News, 8 Sep. 2025
Noun
Returning briefly to the exterior, a new spoiler has been added at the back, inspired by the concave underbelly of a board.
—New Atlas, 14 Sep. 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
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The deep sea may wind up full of these prosthetic habitats—ecosystems that function in some ways, but that remain diminished and hollow compared to their natural state.—
Jeffrey Marlow,
New Yorker,
5 Apr. 2026
-
Native honeysuckles will have solid piths, whereas non-native, invasive honeysuckles will have hollow piths.—
SJ McShane,
Martha Stewart,
5 Apr. 2026
Noun
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The researchers used a 5 × 5 array of vertical-cavity surface-emitting lasers, or VCSELs, each capable of sending its own signal.—
Neetika Walter,
Interesting Engineering,
31 Mar. 2026
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Typically cavities are found in mature trees, so having a dead tree or small pile of dead branches will actually increase your chances of Eastern bluebirds visiting your garden.—
Abby Fribush,
Southern Living,
31 Mar. 2026
Adjective
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For more than half a century, the story of a giant squid attack on the survivors of a sunken troop ship during World War II has made the rounds.—
Matthew Wills,
JSTOR Daily,
3 Apr. 2026
-
In February 2017 separate studies examining Earth’s geological and geophysical characteristics revealed evidence of ancient sunken continents in the Indian and Pacific Oceans.—
Encyclopedia Britannica,
Encyclopedia Britannica,
2 Apr. 2026
Noun
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To round it all out, add a fire pit that brings everyone together once the sun goes down for everything from s’mores to late-night hangs.—
Toni Sutton,
PEOPLE,
3 Apr. 2026
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Pangea’s partners mill (grind) and hydrolyze (break down using water) these pits.—
Alexandra Harrell,
Footwear News,
2 Apr. 2026
Adjective
-
Single bunnies can be lonely and depressed.—
City News Service,
Daily News,
30 Mar. 2026
-
There was also research, which Meta eventually halted, implying that people who curbed their use of Facebook became less depressed and anxious.—
Jonathan Vanian,
CNBC,
29 Mar. 2026
Noun
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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
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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
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Another option is the Kiwanis Trail that threads its way through a shallow, cupped canyon.—
Roger Naylor,
AZCentral.com,
21 Feb. 2026
-
Leaves can appear cupped or pinched when there is an insect infestation present.—
Molly Burford,
Southern Living,
13 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
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In 2024, Ryyan was diagnosed with depression and obsessive-compulsive disorder, or OCD.—
Kennedy Cook,
CBS News,
5 Apr. 2026
Cite this Entry
“Concave.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/concave. Accessed 8 Apr. 2026.
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