culturedPronunciation: /ˈkʌltʃəd/Translate cultured | into French | into German | into Italian | into Spanish Definition of cultured adjective 1characterized by refined taste and manners and good education:a cultured and intelligent man 2 Biology (of tissue cells, bacteria, etc.) grown or propagated in an artificial medium: cultured tumour cells 3(of a pearl) formed round a foreign body inserted into an oyster. Derivatives culturedness noun cultured in other Oxford dictionaries Definition of cultured in the US English dictionary