How do you pronounce "swiftness"?

In American English: /ˈswɪftnəs/ (SWIFTN-uhs). In British English: /swˈɪftnəs/ (SW-iftn). In Canadian English: /ˈswɪftnəs/ (SWIFTN-uhs). In Australian English: /swˈɪftnəs/ (SW-iftn).

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

Yes. In American English it's pronounced /ˈswɪftnəs/ (SWIFTN-uhs), while in British English it's /swˈɪftnəs/ (SW-iftn).

How to Pronounce "swiftness"

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swiftness

disputed

/ˈswɪftnəs/

SWIFTN-uhs

Syllable Breakdown

swɪftnswift·əsness

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14