How do you pronounce "idiosyncrasies"?

In American English: /ˌɪdiːoʊˈsɪnkrəˌsiːz/ (id-ee-oh-SINKR-uh-seez). In British English: /ˈɪdɪˌɒsɪŋkɹəsiz/ (ID-i-os-ingkr-uhs-eez). In Canadian English: /ˌɪdiːoʊˈsɪnkrəˌsiːz/ (id-ee-oh-SINKR-uh-seez). In Australian English: /ˈɪdɪˌɒsɪŋkɹəsiz/ (ID-i-os-ingkr-uhs-eez).

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

Yes. In American English it's pronounced /ˌɪdiːoʊˈsɪnkrəˌsiːz/ (id-ee-oh-SINKR-uh-seez), while in British English it's /ˈɪdɪˌɒsɪŋkɹəsiz/ (ID-i-os-ingkr-uhs-eez).

How to Pronounce "idiosyncrasies"

idiosyncrasies

regional

/ˌɪdiːoʊˈsɪnkrəˌsiːz/

id-ee-oh-SINKR-uh-seez

Syllable Breakdown

ɪdid·iːio·oʊsyn·sɪnkrcra·əsi·siːzes

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14