demonstrate Pronunciation: /ˈdemənstreɪt/Translate demonstrate | into French | into German | into Italian Spanish translation of demonstrateA. vt 1 (show) [need/ability] demostrar* 2 [Marketing] hacer* una demostración deB. vi [Pol] manifestarse*demonstrate in other Oxford dictionaries Definition of demonstrate in the British & World English dictionary Definition of demonstrate in the US English dictionary