How do you pronounce "vaccine"?

In American English: /ˌvækˈsiːn/ (vak-SEEN). In British English: /vˈæksiːn/ (V-aks). In Canadian English: /ˌvækˈsiːn/ (vak-SEEN). In Australian English: /vaksˈiːn/ (VAKS).

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

Yes. In American English it's pronounced /ˌvækˈsiːn/ (vak-SEEN), while in British English it's /vˈæksiːn/ (V-aks).

How to Pronounce "vaccine"

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vaccine

rare

/ˌvækˈsiːn/

vak-SEEN

Syllable Breakdown

vækvac·siːncine

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14