How To Pronounce Sung

In British English, sung is pronounced /sʌŋ/. The narrow phonetic transcription is [sʌ̃ŋ]. In American English, it is pronounced /sʌŋ/.

Sung 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.