How To Pronounce Haste

In British English, haste is pronounced /heɪst/. The narrow phonetic transcription is [heɪst̚]. In American English, it is pronounced /heɪst/.

Haste 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.