How do you pronounce "spontaneously"?

In American English: /spɑːnˈteɪniːəsli/ (spahn-TAYN-ee-uhsl-ee). In British English: /spɒntˈeɪniəsli/ (spont-AYN-ee-uhsl-ee). In Canadian English: /spɑːnˈteɪniːəsli/ (spahn-TAYN-ee-uhsl-ee). In Australian English: /spɒntˈeɪniəsli/ (spont-AYN-ee-uhsl-ee).

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

Yes. In American English it's pronounced /spɑːnˈteɪniːəsli/ (spahn-TAYN-ee-uhsl-ee), while in British English it's /spɒntˈeɪniəsli/ (spont-AYN-ee-uhsl-ee).

How to Pronounce "spontaneously"

🗣️pronounce.how

spontaneously

regional

/spɑːnˈteɪniːəsli/

spahn-TAYN-ee-uhsl-ee

Syllable Breakdown

spɑːnspon·teɪnta·iːne·əslous·ily

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

All Variants

Browse by Letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Edit on GitHub Report an issue

Last updated: 2026-02-14