How do you pronounce "proprietary"?

In American English: /prəˈpraɪəˌtɛri/ (pruh-PREYE-uh-tehr-ee). In British English: /pɹəpɹˈaɪətəɹi/ (pruhpr-EYE-uht-uhr-ee). In Canadian English: /prəˈpraɪəˌtɛri/ (pruh-PREYE-uh-tehr-ee). In Australian English: /pɹəpɹˈaɪətəɹi/ (pruhpr-EYE-uht-uhr-ee).

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

Yes. In American English it's pronounced /prəˈpraɪəˌtɛri/ (pruh-PREYE-uh-tehr-ee), while in British English it's /pɹəpɹˈaɪətəɹi/ (pruhpr-EYE-uht-uhr-ee).

How to Pronounce "proprietary"

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proprietary

regional

/prəˈpraɪəˌtɛri/

pruh-PREYE-uh-tehr-ee

Syllable Breakdown

prəp·praɪro·əpri·tɛret·iary

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14