How do you pronounce "interstellar"?

In American English: /ˌɪntɝˈstɛlɝ/ (int-ur-STEHL-ur). In British English: /ˌɪntəstˈɛlə/ (int-uhst-EHL-uh). In Canadian English: /ˌɪntɝˈstɛlɝ/ (int-ur-STEHL-ur). In Australian English: /ˌɪntəstˈɛlə/ (int-uhst-EHL-uh).

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

Yes. In American English it's pronounced /ˌɪntɝˈstɛlɝ/ (int-ur-STEHL-ur), while in British English it's /ˌɪntəstˈɛlə/ (int-uhst-EHL-uh).

How to Pronounce "interstellar"

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interstellar

regional

/ˌɪntɝˈstɛlɝ/

int-ur-STEHL-ur

Syllable Breakdown

ɪntin·ɝter·stɛlstel·ɝlar

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14