How do you pronounce "assumption"?

In American English: /əˈsʌmpʃən/ (uh-SUHMPSH-uhn). In British English: /əsˈɐmpʃən/ (uhs-ⱯMPSH). In Canadian English: /əˈsʌmpʃən/ (uh-SUHMPSH-uhn). In Australian English: /ɐsˈʌmpʃən/ (ⱯS-uhmpsh).

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

Yes. In American English it's pronounced /əˈsʌmpʃən/ (uh-SUHMPSH-uhn), while in British English it's /əsˈɐmpʃən/ (uhs-ⱯMPSH).

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assumption

regional

/əˈsʌmpʃən/

uh-SUHMPSH-uhn

Syllable Breakdown

əas·sʌmpʃsump·əntion

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-12