How do you pronounce "unknown"?

In American English: /ənˈnoʊn/ (uhn-NOHN). In British English: /ɐnnˈəʊn/ (ⱯNN). In Canadian English: /ənˈnoʊn/ (uhn-NOHN). In Australian English: /ʌnnˈəʊn/ (uhnn-OHN).

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

Yes. In American English it's pronounced /ənˈnoʊn/ (uhn-NOHN), while in British English it's /ɐnnˈəʊn/ (ⱯNN).

How to Pronounce "unknown"

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unknown

regional

/ənˈnoʊn/

uhn-NOHN

Syllable Breakdown

ənun·noʊnknown

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14