How do you pronounce "alter"?

In American English: /ˈɔltɝ/ (AWLT-ur). In British English: /ˈɔːltə/ (AWLT-uh). In Canadian English: /ˈɔltɝ/ (AWLT-ur). In Australian English: /ˈɒltə/ (OLT-uh).

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

Yes. In American English it's pronounced /ˈɔltɝ/ (AWLT-ur), while in British English it's /ˈɔːltə/ (AWLT-uh).

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alter

regional

/ˈɔltɝ/

AWLT-ur

Syllable Breakdown

ɔltal·ɝter

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

All Variants

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Last updated: 2026-02-12