How do you pronounce "prolong"?

In American English: /prəˈlɔŋ/ (pruh-LAWNG). In British English: /pɹəlˈɒŋ/ (pruhl-ONG). In Canadian English: /prəˈlɔŋ/ (pruh-LAWNG). In Australian English: /pɹəlˈɒŋ/ (pruhl-ONG).

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

Yes. In American English it's pronounced /prəˈlɔŋ/ (pruh-LAWNG), while in British English it's /pɹəlˈɒŋ/ (pruhl-ONG).

How to Pronounce "prolong"

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prolong

regional

/prəˈlɔŋ/

pruh-LAWNG

Syllable Breakdown

prəpro·lɔŋlong

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14