How To Pronounce Astronaut

In British English, astronaut is pronounced /ˈæs.trə.nɔːt/. The narrow phonetic transcription is [ˈæs.tr̥ə.nʷɔːt̚]. In American English, it is pronounced /ˈæs.trə.nɔːt/.

Astronaut has three syllables, and the main stress falls on the first syllable. British and American speakers say it the same way.

Slashes / / show the phonemic transcription, the sounds that change meaning. Square brackets [ ] show the phonetic transcription, with the finer detail of how the sounds are actually made.