best-selling Pronunciation: /ˌbestˈselɪŋ/Translate best-selling | into German | into Italian French translation of best-sellingadj [product] le/la plus vendu/-e the best-selling novelist of 1999 = le romancier qui s'est vendu le plus en 1999best-selling in other Oxford dictionaries Definition of best-selling in the British & World English dictionary Definition of best-selling in the US English dictionary