How do you pronounce "downstream"?

In American English: /ˈdaʊnˈstriːm/ (DOWN-STREEM). In British English: /dˈaʊnstɹiːm/ (D-ownstr). In Canadian English: /ˈdaʊnˈstriːm/ (DOWN-STREEM). In Australian English: /dˈaʊnstɹiːm/ (D-ownstr).

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

Yes. In American English it's pronounced /ˈdaʊnˈstriːm/ (DOWN-STREEM), while in British English it's /dˈaʊnstɹiːm/ (D-ownstr).

How to Pronounce "downstream"

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downstream

regional

/ˈdaʊnˈstriːm/

DOWN-STREEM

Syllable Breakdown

daʊndown·striːmstream

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14