How do you pronounce "indefinitely"?

In American English: /ˌɪnˈdɛfənətli/ (in-DEHF-uhn-uhtl-ee). In British English: /ɪndˈɛfɪnɪtli/ (ind-EHF-in-itl-ee). In Canadian English: /ˌɪnˈdɛfənətli/ (in-DEHF-uhn-uhtl-ee). In Australian English: /ɪndˈɛfɪnətli/ (ind-EHF-in-uhtl-ee).

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

Yes. In American English it's pronounced /ˌɪnˈdɛfənətli/ (in-DEHF-uhn-uhtl-ee), while in British English it's /ɪndˈɛfɪnɪtli/ (ind-EHF-in-itl-ee).

How to Pronounce "indefinitely"

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indefinitely

regional

/ˌɪnˈdɛfənətli/

in-DEHF-uhn-uhtl-ee

Syllable Breakdown

ɪnin·dɛfdef·əni·ətlnite·ily

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14