How do you pronounce "sustainable"?

In American English: /səˈsteɪnəbəl/ (suh-STAYN-uhb-uhl). In British English: /səstˈeɪnəbəl/ (suhst-AYN-uhb-uhl). In Canadian English: /səˈsteɪnəbəl/ (suh-STAYN-uhb-uhl). In Australian English: /səstˈeɪnəbəl/ (suhst-AYN-uhb-uhl).

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

Yes. In American English it's pronounced /səˈsteɪnəbəl/ (suh-STAYN-uhb-uhl), while in British English it's /səstˈeɪnəbəl/ (suhst-AYN-uhb-uhl).

How to Pronounce "sustainable"

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sustainable

/səˈsteɪnəbəl/

suh-STAYN-uhb-uhl

Syllable Breakdown

səsus·steɪnta·əbin·əlable

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14