How do you pronounce "mainstream"?

In American English: /ˈmeɪnˌstriːm/ (MAYN-streem). In British English: /mˈeɪnstɹˌiːm/ (M-aynstr). In Canadian English: /ˈmeɪnˌstriːm/ (MAYN-streem). In Australian English: /mˈeɪnstɹiːm/ (M-aynstr).

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

Yes. In American English it's pronounced /ˈmeɪnˌstriːm/ (MAYN-streem), while in British English it's /mˈeɪnstɹˌiːm/ (M-aynstr).

How to Pronounce "mainstream"

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mainstream

regional

/ˈmeɪnˌstriːm/

MAYN-streem

Syllable Breakdown

meɪnmain·striːmstream

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14