How do you pronounce "indefatigable"?

In American English: /ˌɪndɪˈfætɪgəbəl/ (ind-i-FAT-ig-uhb-uhl). In British English: /ˌɪndɪfˈatɪɡəbəl/ (ind-if-AT-ig-uhb). In Canadian English: /ˌɪndɪˈfætɪgəbəl/ (ind-i-FAT-ig-uhb-uhl). In Australian English: /ˌɪndɪfˈatɪɡəbəl/ (ind-if-AT-ig-uhb).

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

Yes. In American English it's pronounced /ˌɪndɪˈfætɪgəbəl/ (ind-i-FAT-ig-uhb-uhl), while in British English it's /ˌɪndɪfˈatɪɡəbəl/ (ind-if-AT-ig-uhb).

How to Pronounce "indefatigable"

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indefatigable

regional

/ˌɪndɪˈfætɪgəbəl/

ind-i-FAT-ig-uhb-uhl

Syllable Breakdown

ɪndin·ɪde·fætfa·ɪgti·əbga·əlble

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14