How do you pronounce "ruinous"?

In American English: /ˈruːənəs/ (ROO-uhn-uhs). In British English: /ɹˈuːɪnəs/ (R-oo-in). In Canadian English: /ˈruːənəs/ (ROO-uhn-uhs). In Australian English: /ɹˈuːɪnəs/ (R-oo-in).

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

Yes. In American English it's pronounced /ˈruːənəs/ (ROO-uhn-uhs), while in British English it's /ɹˈuːɪnəs/ (R-oo-in).

How to Pronounce "ruinous"

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ruinous

regional

/ˈruːənəs/

ROO-uhn-uhs

Syllable Breakdown

ruːru·ənin·əsous

Source

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Last updated: 2026-02-14