How do you pronounce "theories"?

In American English: /ˈθɪriːz/ (THIR-eez). In British English: /θˈɪəɹiz/ (TH-i-uhr). In Canadian English: /ˈθɪriːz/ (THIR-eez). In Australian English: /θˈiəɹiz/ (TH-ee-uhr).

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

Yes. In American English it's pronounced /ˈθɪriːz/ (THIR-eez), while in British English it's /θˈɪəɹiz/ (TH-i-uhr).

How to Pronounce "theories"

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theories

regional

/ˈθɪriːz/

THIR-eez

Syllable Breakdown

θɪrtheo·iːzries

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14