multicultural /ˌmʌltiˈkʌlt͡ʃəɹəl/ adjective2 •Relating or pertaining to several different cultures.Viewed from the boardrooms of Britain, the market is becoming more multicultural than could have been imagined just five years ago. — 2001 •(euphemistic) Relating or pertaining to groups, households or families involving persons with different or mixed ethnicities or races. formsmore multicultural · most multicultural