unisex Syllabification: (u·ni·sex)Pronunciation: /ˈyo͞onəˌseks/Translate unisex | into French | into German | into Italian | into Spanish Definition of unisex adjective (especially of clothing or hairstyles) designed to be suitable for both sexes. noun a style in which men and women look and dress in a similar way. unisex in other Oxford dictionaries Definition of unisex in the British & World English dictionary