How do you pronounce "sleepless"?

In American English: /ˈsliːpləs/ (SLEEPL-uhs). In British English: /slˈiːpləs/ (SL-eepl). In Canadian English: /ˈsliːpləs/ (SLEEPL-uhs). In Australian English: /slˈiːpləs/ (SL-eepl).

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

Yes. In American English it's pronounced /ˈsliːpləs/ (SLEEPL-uhs), while in British English it's /slˈiːpləs/ (SL-eepl).

How to Pronounce "sleepless"

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sleepless

disputed

/ˈsliːpləs/

SLEEPL-uhs

Syllable Breakdown

sliːplsleep·əsless

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14