📖 Definitions of "Concave"
- 1
A concave surface or curve.
- 2
The vault of the sky.
- 3
One of the celestial spheres of the Ptolemaic or geocentric model of the world.
"Aristotle makes [Fire] to move to the concave of the Moon. - Thomas Salusbury (1661)."
- 4
An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.
- 1
To render concave, or increase the degree of concavity.
- 1
Curved like the inner surface of a sphere or bowl
- 2
(of a polygon) not convex; having at least one internal angle greater than 180 degrees.
- 3
(of a real-valued function on the reals) satisfying the property that all segments connecting two points on the function's graph lie below the function.
- 4
Hollow; empty
🔄 Synonyms of "Concave"
19 synonyms found via WordNet and Google Books.
| Word | Definition |
|---|---|
| indented | Cut in the edge into points or inequalities, like teeth; dented on the surface; jagged; notched; stamped in. |
| depressed | Unhappy; despondent. |
| recessed | Set back; located in a hole, space, or opening. |
| dished | Shaped like a dish; concave. |
| acetabular | Related to the acetabulum. |
| cupular | Shaped like a cupule. |
| cupulate | Cup-shaped. |
| umbilicate | Having a navel. |
| concavo-convex | (optics) Having one side concave and the other convex. |
| biconcave | (optics, anatomy) Having both sides that are concave. |
| concavo-concave | Alternative form of concavoconcave. [Concave or hollow on both sides.] |
| bursiform | Shaped like a purse or bag. |
| cotyloid | (anatomy) Shaped like a cup. |
| planoconcave | (optics, of a lens) Having one side plane and the other concave |
| saclike | Resembling or characteristic of a sac. |
| cotyloidal | of the cup-shaped socket that receives the head of the thigh bone |
| dish-shaped | shaped like a dish |
| pouch-shaped | shaped like a pouch |
| cup-shaped | Having the hollow form of a cup (but without the handle). |
↔️ Antonyms of "Concave"
Words with the opposite meaning.
💡 Words with a Similar Meaning to "Concave"
Found via reverse dictionary — words that share a conceptual meaning.
| Word | Definition |
|---|---|
| biconcave | (optics, anatomy) Having both sides that are concave. |
| concavo-convex | (optics) Having one side concave and the other convex. |
| planoconcave | (optics, of a lens) Having one side plane and the other concave |
| indented | Cut in the edge into points or inequalities, like teeth; dented on the surface; jagged; notched; stamped in. |
| bursiform | Shaped like a purse or bag. |
| recessed | Set back; located in a hole, space, or opening. |
| saclike | Resembling or characteristic of a sac. |
| acetabular | Related to the acetabulum. |
| cupular | Shaped like a cupule. |
| cupulate | Cup-shaped. |
| cotyloidnoun | (anatomy) Shaped like a cup. |
| umbilicate | Having a navel. |
| cup-shaped | Having the hollow form of a cup (but without the handle). |
| dished | Shaped like a dish; concave. |
| depressed | Unhappy; despondent. |
| concavo-concave | Alternative form of concavoconcave. [Concave or hollow on both sides.] |
| cotyloidal | of the cup-shaped socket that receives the head of the thigh bone |
| dish-shaped | shaped like a dish |
| pouch-shaped | shaped like a pouch |
| anteriorly | in front (in position) |
⚡ Words Strongly Associated with "Concave"
These words statistically appear in the same text as "concave" (Google Books Ngrams).
🎨 Adjectives for "Concave"
Popular adjectives used to describe this word in books.
🏷️ Nouns for "Concave"
Common nouns this word is used to describe.
📝 Common Phrases with "Concave"
Words that come before
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