How do you pronounce "autonomous"?

In American English: /ɔˈtɑːnəməs/ (aw-TAHN-uhm-uhs). In British English: /ɔːtˈɒnəməs/ (awt-ON-uhm-uhs). In Canadian English: /ɔˈtɑːnəməs/ (aw-TAHN-uhm-uhs). In Australian English: /ɔːtˈɒnəməs/ (awt-ON-uhm-uhs).

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

Yes. In American English it's pronounced /ɔˈtɑːnəməs/ (aw-TAHN-uhm-uhs), while in British English it's /ɔːtˈɒnəməs/ (awt-ON-uhm-uhs).

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autonomous

regional

/ɔˈtɑːnəməs/

aw-TAHN-uhm-uhs

Syllable Breakdown

ɔau·tɑːnton·əmo·əsmous

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-12