How do you pronounce "ultimatum"?

In American English: /ˌəltəˈmeɪtəm/ (uhlt-uh-MAYT-uhm). In British English: /ˌʌltɪmˈeɪtəm/ (uhlt-im-AYT-uhm). In Canadian English: /ˌəltəˈmeɪtəm/ (uhlt-uh-MAYT-uhm). In Australian English: /ˌʌltɪmˈeɪtəm/ (uhlt-im-AYT-uhm).

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

Yes. In American English it's pronounced /ˌəltəˈmeɪtəm/ (uhlt-uh-MAYT-uhm), while in British English it's /ˌʌltɪmˈeɪtəm/ (uhlt-im-AYT-uhm).

How to Pronounce "ultimatum"

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ultimatum

regional

/ˌəltəˈmeɪtəm/

uhlt-uh-MAYT-uhm

Syllable Breakdown

əltul·əti·meɪtma·əmtum

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14