How do you pronounce "invalidate"?

In American English: /ˌɪnˈvælɪˌdeɪt/ (in-VAL-i-dayt). In British English: /ɪnvˈalɪdˌeɪt/ (inv-AL-id). In Canadian English: /ˌɪnˈvælɪˌdeɪt/ (in-VAL-i-dayt). In Australian English: /ɪnvˈalɪdˌeɪt/ (inv-AL-id).

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

Yes. In American English it's pronounced /ˌɪnˈvælɪˌdeɪt/ (in-VAL-i-dayt), while in British English it's /ɪnvˈalɪdˌeɪt/ (inv-AL-id).

How to Pronounce "invalidate"

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invalidate

regional

/ˌɪnˈvælɪˌdeɪt/

in-VAL-i-dayt

Syllable Breakdown

ɪnin·vælval·ɪi·deɪtdate

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14