How do you pronounce "ascertain"?

In American English: /ˌæsɝˈteɪn/ (as-ur-TAYN). In British English: /ˌæsətˈeɪn/ (as-uht-AYN). In Canadian English: /ˌæsɝˈteɪn/ (as-ur-TAYN). In Australian English: /ˌasətˈeɪn/ (as-UHT).

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

Yes. In American English it's pronounced /ˌæsɝˈteɪn/ (as-ur-TAYN), while in British English it's /ˌæsətˈeɪn/ (as-uht-AYN).

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ascertain

regional

/ˌæsɝˈteɪn/

as-ur-TAYN

Syllable Breakdown

æsas·ɝcer·teɪntain

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

All Variants

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Last updated: 2026-02-12