2 syllables: con, cave. Stress on cave.
kahn-KAYV
/kɑˈnkeɪv/
concave is pronounced kahn-KAYV (/kɑˈnkeɪv/). It has two syllables (con-cave), with the stress on "cave". Concave describes a surface that curves inward, forming a hollow or cavity. It is often used in geometry, optics, and related fields to denote shapes that dip inward toward a central point. The term emphasizes inward curvature rather than outward bulge, and is frequently contrasted with convex.
Concave describes a surface that curves inward, forming a hollow or cavity. It is often used in geometry, optics, and related fields to denote shapes that dip inward toward a central point. The term emphasizes inward curvature rather than outward bulge, and is frequently contrasted with convex.
"The concave mirror concentrates light to a focal point."
"Biologists noted the concave shape of the carapace in certain marine animals."
"The lens design required a concave surface to correct aberrations."
Pronounce it as /ˈkɒn.keɪv/ in UK and US English, with primary stress on the first syllable: CON-kayv. In Australian English you’ll hear the same pattern, though vowel quality may be slightly more centralized. Keep the two-syllable rhythm, and end with a clear /v/ sound. IPA guide: US/UK /ˈkɒn.keɪv/; AU /ˈkɒn.keɪv/.
Common mistakes include merging the two syllables into one (con-kave) or pronouncing the second syllable with a lax /æ/ like “can-kave.” Correct it by ensuring the second syllable carries a long /eɪ/ diphthong and a clear /v/ at the end. Practice as CON-kayv with a crisp /k/ onset and a voiced labiodental fricative /v/ final. Emphasize initial /k/ and avoid an overly open vowel in the first syllable.
In American, British, and Australian accents, the primary difference is vowel quality in the stressed first syllable: /ɒ/ (lot) in US/UK tends toward open back /ɒ/ or /ɑ/ and the second syllable uses /eɪ/. Rhoticity does not affect this word markedly since it ends with /v/. Australians often have a slightly higher, closer /ɒ/ or /ɒː/ vowel and a more clipped /v/; overall the /ˈkɒn.keɪv/ pattern remains consistent across regions.
The challenge lies in the two-syllable structure with a stressed first syllable and a trailing rounded /eɪ/ glide into /v/. The subtle difference between /ɒ/ and /ɔ/ for British/American speakers can skew toward a less precise diphthong. Additionally, the final /v/ requires steady voicing, which some speakers mispronounce as /f/ or a voiceless sound if the lips aren’t engaged. Practice the glide from /ɒ/ to /eɪ/ while maintaining lip rounding for /v/.
A distinctive feature is the two-syllable rhythm with a strong first syllable and a long vowel on the second syllable: /ˈkɒn.keɪv/. The combination of a back open vowel /ɒ/ and a rising /eɪ/ glide makes the word sensitive to vowel shifting and mouth tension. Ensuring an audible stop before the /k/ and a crisp /v/ at the end helps ground the word clearly in all three major accents.
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Concave comes from the Latin concāvus, meaning
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Help others use "concave" correctly by contributing grammar tips, common mistakes, and context guidance.
💡 These words have similar meanings to "concave" and can often be used interchangeably.
🔄 These words have opposite meanings to "concave" and show contrast in usage.
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Words that rhyme with "concave"
-ave sounds
Practice with these rhyming pairs to improve your pronunciation consistency:
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