How To Pronounce Plunge

In British English, plunge is pronounced /plʌndʒ/. The narrow phonetic transcription is [pl̥ʌ̃ndʒ]. In American English, it is pronounced /plʌndʒ/.

Plunge has one 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.