How do you pronounce "preposterous"?

In American English: /prɪˈpɑːstɝəs/ (pri-PAHST-ur-uhs). In British English: /pɹɪpˈɒstəɹəs/ (prip-OST-uhr-uhs). In Canadian English: /prɪˈpɑːstɝəs/ (pri-PAHST-ur-uhs). In Australian English: /pɹɪpˈɒstəɹəs/ (prip-OST-uhr-uhs).

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

Yes. In American English it's pronounced /prɪˈpɑːstɝəs/ (pri-PAHST-ur-uhs), while in British English it's /pɹɪpˈɒstəɹəs/ (prip-OST-uhr-uhs).

How to Pronounce "preposterous"

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preposterous

regional

/prɪˈpɑːstɝəs/

pri-PAHST-ur-uhs

Syllable Breakdown

prɪpre·pɑːstpos·ɝter·əsous

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14