functional Pronunciation: /ˈfʌŋkʃṇəl; ˈfʌŋkʃənlʲ/Translate functional | into French | into German | into Italian Spanish translation of functionaladj 1 (functioning) [machine/part] en buen estado (de funcionamiento) 2 (practical) [furniture/design] funcionalfunctional in other Oxford dictionaries Definition of functional in the British & World English dictionary Definition of functional in the US English dictionary