How do you pronounce "swiftest"?

In American English: /ˈswɪftəst/ (SWIFT-uhst). In British English: /swˈɪftɪst/ (SW-ift). In Canadian English: /ˈswɪftəst/ (SWIFT-uhst). In Australian English: /swˈɪftɪst/ (SW-ift).

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

Yes. In American English it's pronounced /ˈswɪftəst/ (SWIFT-uhst), while in British English it's /swˈɪftɪst/ (SW-ift).

How to Pronounce "swiftest"

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swiftest

regional

/ˈswɪftəst/

SWIFT-uhst

Syllable Breakdown

swɪftswif·əsttest

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14