How do you pronounce "thunder"?

In American English: /ˈθʌndɝ/ (THUHND-ur). In British English: /θˈɐndə/ (TH). In Canadian English: /ˈθʌndɝ/ (THUHND-ur). In Australian English: /θˈʌndə/ (TH-uhnd).

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

Yes. In American English it's pronounced /ˈθʌndɝ/ (THUHND-ur), while in British English it's /θˈɐndə/ (TH).

How to Pronounce "thunder"

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thunder

regional

/ˈθʌndɝ/

THUHND-ur

Syllable Breakdown

θʌndthun·ɝder

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14