How do you pronounce "sinuses"?

In American English: /ˈsaɪnəsəz/ (SEYEN-uhs-uhz). In British English: /sˈaɪnəsɪz/ (S-eyen-uhs). In Canadian English: /ˈsaɪnəsəz/ (SEYEN-uhs-uhz). In Australian English: /sˈaɪnəsɪz/ (S-eyen-uhs).

Is "sinuses" pronounced differently in American and British English?

Yes. In American English it's pronounced /ˈsaɪnəsəz/ (SEYEN-uhs-uhz), while in British English it's /sˈaɪnəsɪz/ (S-eyen-uhs).

How to Pronounce "sinuses"

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sinuses

regional

/ˈsaɪnəsəz/

SEYEN-uhs-uhz

Syllable Breakdown

saɪnsi·əsnus·əzes

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14