How do you pronounce "radio"?

In American English: /ˈreɪdiːˌoʊ/ (RAYD-ee-oh). In British English: /ɹˈeɪdɪˌəʊ/ (R-ayd-i). In Canadian English: /ˈreɪdiːˌoʊ/ (RAYD-ee-oh). In Australian English: /ɹˈeɪdɪˌəʊ/ (R-ayd-i).

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

Yes. In American English it's pronounced /ˈreɪdiːˌoʊ/ (RAYD-ee-oh), while in British English it's /ɹˈeɪdɪˌəʊ/ (R-ayd-i).

How to Pronounce "radio"

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radio

regional

/ˈreɪdiːˌoʊ/

RAYD-ee-oh

Syllable Breakdown

reɪdra·iːd·oʊio

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14