How do you pronounce "semiautomatic"?

In American English: /ˌsɛmiːˌɔtəˈmætɪk/ (sehm-ee-awt-uh-MAT-ik). In British English: /sˌɛmɪˌɔːtəmˈatɪk/ (s-ehm-i-awt-UHM). In Canadian English: /ˌsɛmiːˌɔtəˈmætɪk/ (sehm-ee-awt-uh-MAT-ik). In Australian English: /sˌɛmɪˌɔːtəmˈatɪk/ (s-ehm-i-awt-UHM).

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

Yes. In American English it's pronounced /ˌsɛmiːˌɔtəˈmætɪk/ (sehm-ee-awt-uh-MAT-ik), while in British English it's /sˌɛmɪˌɔːtəmˈatɪk/ (s-ehm-i-awt-UHM).

How to Pronounce "semiautomatic"

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semiautomatic

regional

/ˌsɛmiːˌɔtəˈmætɪk/

sehm-ee-awt-uh-MAT-ik

Syllable Breakdown

sɛmse·iːmi·ɔtau·əto·mætmat·ɪkic

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14