How do you pronounce "seriousness"?

In American English: /ˈsɪriːəsnəs/ (SIR-ee-uhsn-uhs). In British English: /sˈiəɹiəsnəs/ (S-ee-uhr-ee-uhsn). In Canadian English: /ˈsɪriːəsnəs/ (SIR-ee-uhsn-uhs). In Australian English: /sˈiəɹiəsnəs/ (S-ee-uhr-ee-uhsn).

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

Yes. In American English it's pronounced /ˈsɪriːəsnəs/ (SIR-ee-uhsn-uhs), while in British English it's /sˈiəɹiəsnəs/ (S-ee-uhr-ee-uhsn).

How to Pronounce "seriousness"

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seriousness

regional

/ˈsɪriːəsnəs/

SIR-ee-uhsn-uhs

Syllable Breakdown

sɪrse·iːri·əsnous·əsness

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14