How To Pronounce Outside

In British English, outside is pronounced /ˌaʊtˈsaɪd/. The narrow phonetic transcription is [ˌaʊtˈsaɪd̚]. In American English, it is pronounced /ˌaʊtˈsaɪd/.

Outside has two syllables, and the main stress falls on the second 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.