How do you pronounce "atmosphere"?

In American English: /ˈætməsˌfɪr/ (ATM-uhs-fir). In British English: /ˈætməsfˌɪə/ (ATM-uhsf-i-uh). In Canadian English: /ˈætməsˌfɪr/ (ATM-uhs-fir). In Australian English: /ˈatməsfˌiə/ (ATM-uhsf-ee).

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

Yes. In American English it's pronounced /ˈætməsˌfɪr/ (ATM-uhs-fir), while in British English it's /ˈætməsfˌɪə/ (ATM-uhsf-i-uh).

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atmosphere

regional

/ˈætməsˌfɪr/

ATM-uhs-fir

Syllable Breakdown

ætmat·əsmos·fɪrphere

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-12