How do you pronounce "flex"?

In American English: /ˈflɛks/ (FLEHKS). In British English: /flˈɛks/ (FL). In Canadian English: /ˈflɛks/ (FLEHKS). In Australian English: /flˈɛks/ (FL).

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

Yes. In American English it's pronounced /ˈflɛks/ (FLEHKS), while in British English it's /flˈɛks/ (FL).

How to Pronounce "flex" | pronounce.how

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flex

rare

/ˈflɛks/

FLEHKS

Syllable Breakdown

flɛksflex

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14