How do you pronounce "appendix"?

In American English: /əˈpɛndɪks/ (uh-PEHND-iks). In British English: /əpˈɛndɪks/ (uhp-EHND-iks). In Canadian English: /əˈpɛndɪks/ (uh-PEHND-iks). In Australian English: /ɐpˈɛndɪks/ (ⱯP-ehnd).

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

Yes. In American English it's pronounced /əˈpɛndɪks/ (uh-PEHND-iks), while in British English it's /əpˈɛndɪks/ (uhp-EHND-iks).

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appendix

Medical

/əˈpɛndɪks/

uh-PEHND-iks

Syllable Breakdown

əap·pɛndpen·ɪksdix

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-12