How do you pronounce "thunderous"?

In American English: /ˈθʌndɝəs/ (THUHND-ur-uhs). In British English: /θˈʌndəɹəs/ (TH-uhnd-uhr). In Canadian English: /ˈθʌndɝəs/ (THUHND-ur-uhs). In Australian English: /θˈʌndəɹəs/ (TH-uhnd-uhr).

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

Yes. In American English it's pronounced /ˈθʌndɝəs/ (THUHND-ur-uhs), while in British English it's /θˈʌndəɹəs/ (TH-uhnd-uhr).

How to Pronounce "thunderous"

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thunderous

regional

/ˈθʌndɝəs/

THUHND-ur-uhs

Syllable Breakdown

θʌndthun·ɝder·əsous

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14