How do you pronounce "foster"?

In American English: /ˈfɑːstɝ/ (FAHST-ur). In British English: /fˈɒstə/ (F-ost). In Canadian English: /ˈfɑːstɝ/ (FAHST-ur). In Australian English: /fˈɒstə/ (F-ost).

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

Yes. In American English it's pronounced /ˈfɑːstɝ/ (FAHST-ur), while in British English it's /fˈɒstə/ (F-ost).

How to Pronounce "foster"

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foster

regional

/ˈfɑːstɝ/

FAHST-ur

Syllable Breakdown

fɑːstfos·ɝter

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14