leading Pronunciation: /ˈliːdɪŋ/Translate leading | into French | into German | into Italian Spanish translation of leadingadj (before n) 1 (principal) [scientist/playwright] destacado; [brand/company] líder (adj inv) 2 (in front) [runner/horse/driver] que va a la cabezaleading in other Oxford dictionaries Definition of leading in the British & World English dictionary Definition of leading in the US English dictionary