How do you pronounce "keystone"?

In American English: /ˈkiːˌstoʊn/ (KEE-stohn). In British English: /kˈiːstəʊn/ (K-eest). In Canadian English: /ˈkiːˌstoʊn/ (KEE-stohn). In Australian English: /kˈiːstəʊn/ (K-eest).

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

Yes. In American English it's pronounced /ˈkiːˌstoʊn/ (KEE-stohn), while in British English it's /kˈiːstəʊn/ (K-eest).

How to Pronounce "keystone"

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keystone

regional

/ˈkiːˌstoʊn/

KEE-stohn

Syllable Breakdown

kiːkey·stoʊnstone

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14