How do you pronounce "merciless"?

In American English: /ˈmɝːsələs/ (MURS-uhl-uhs). In British English: /mˈɜːsiləs/ (M-ɜs-eel). In Canadian English: /ˈmɝːsələs/ (MURS-uhl-uhs). In Australian English: /mˈɜːsiləs/ (M-ɜs-eel).

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

Yes. In American English it's pronounced /ˈmɝːsələs/ (MURS-uhl-uhs), while in British English it's /mˈɜːsiləs/ (M-ɜs-eel).

How to Pronounce "merciless"

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merciless

regional

/ˈmɝːsələs/

MURS-uhl-uhs

Syllable Breakdown

mɝːsmer·əlci·əsless

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14