graphical Syllabification: (graph·i·cal)Pronunciation: /ˈgrafikəl/Definition of graphical adjective 1of, relating to, or in the form of a graph:flowcharts are graphical presentations 2of or relating to visual art or computer graphics:a high-resolution graphical displayDerivatives graphicallyPronunciation: /-ik(ə)lē/ adverb graphical in other Oxford dictionaries Definition of graphical in the British & World English dictionary