Oxford Dictionary English inessential adjective adjective BrE BrE//ˌɪnɪˈsenʃl// ; NAmE NAmE//ˌɪnɪˈsenʃl// Add to my wordlistjump to other resultsnot necessary inessential luxuries Word Originlate 17th cent.: from in- ‘not’ + essential.See inessential in the Oxford Advanced American DictionaryCheck pronunciation: inessential oxfordlearnersdictionaries.com