How do you pronounce "astronaut"?

In American English: /ˈæstrəˌnɑːt/ (ASTR-uh-naht). In British English: /ˈastɹənˌɔːt/ (ASTR-uhn). In Canadian English: /ˈæstrəˌnɑːt/ (ASTR-uh-naht). In Australian English: /ˈastɹənˌɔːt/ (ASTR-uhn).

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

Yes. In American English it's pronounced /ˈæstrəˌnɑːt/ (ASTR-uh-naht), while in British English it's /ˈastɹənˌɔːt/ (ASTR-uhn).

How to Pronounce "astronaut"

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astronaut

regional

/ˈæstrəˌnɑːt/

ASTR-uh-naht

Syllable Breakdown

æstras·ətro·nɑːtnaut

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14