How do you pronounce "upstream"?

In American English: /ˈʌpˈstriːm/ (UHP-STREEM). In British English: /ʌpstɹˈiːm/ (uhpstr-EEM). In Canadian English: /ˈʌpˈstriːm/ (UHP-STREEM). In Australian English: /ʌpstɹˈiːm/ (uhpstr-EEM).

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

Yes. In American English it's pronounced /ˈʌpˈstriːm/ (UHP-STREEM), while in British English it's /ʌpstɹˈiːm/ (uhpstr-EEM).

How to Pronounce "upstream"

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upstream

regional

/ˈʌpˈstriːm/

UHP-STREEM

Syllable Breakdown

ʌpup·striːmstream

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14