How do you pronounce "theorem"?

In American English: /ˈθɪrəm/ (THIR-uhm). In British English: /θˈɪəɹəm/ (TH-i-uhr). In Canadian English: /ˈθɪrəm/ (THIR-uhm). In Australian English: /θˈiəɹəm/ (TH-ee-uhr).

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

Yes. In American English it's pronounced /ˈθɪrəm/ (THIR-uhm), while in British English it's /θˈɪəɹəm/ (TH-i-uhr).

How to Pronounce "theorem"

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theorem

regional

/ˈθɪrəm/

THIR-uhm

Syllable Breakdown

θɪrtheo·əmrem

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14