How do you pronounce "infest"?

In American English: /ˌɪnˈfɛst/ (in-FEHST). In British English: /ɪnfˈɛst/ (inf-EHST). In Canadian English: /ˌɪnˈfɛst/ (in-FEHST). In Australian English: /ɪnfˈɛst/ (inf-EHST).

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

Yes. In American English it's pronounced /ˌɪnˈfɛst/ (in-FEHST), while in British English it's /ɪnfˈɛst/ (inf-EHST).

How to Pronounce "infest"

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infest

disputed

/ˌɪnˈfɛst/

in-FEHST

Syllable Breakdown

ɪnin·fɛstfest

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14