How do you pronounce "infinity"?

In American English: /ˌɪnˈfɪnɪti/ (in-FIN-it-ee). In British English: /ɪnfˈɪnɪti/ (inf-IN-it-ee). In Canadian English: /ˌɪnˈfɪnɪti/ (in-FIN-it-ee). In Australian English: /ɪnfˈɪnɪti/ (inf-IN-it-ee).

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

Yes. In American English it's pronounced /ˌɪnˈfɪnɪti/ (in-FIN-it-ee), while in British English it's /ɪnfˈɪnɪti/ (inf-IN-it-ee).

How to Pronounce "infinity"

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infinity

rare

/ˌɪnˈfɪnɪti/

in-FIN-it-ee

Syllable Breakdown

ɪnin·fɪnfin·ɪti·ity

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14