Definition of top-selling in US English:
 top-selling
adjectiveˌtäpˈseliNGˌtɑpˈsɛlɪŋ
Selling in greater numbers than others of the same kind.
 the country's top-selling smartphone
 one of the world's top-selling female artists
 Example sentencesExamples
-  He asks bartenders for the top-selling drinks.
 -  Skim milk is the company's top-selling product, but it also offers cheeses, cream, ice cream, eggs, pizza, and meat.
 -  They're currently one of the top-selling acts in the UK, and almost every date on their North American tour has sold out.
 -  Hundreds of new works from top-selling artists are featured.
 -  Not one of the top-selling magazines on the market is Irish.
 -  She is the top-selling female artist in the UK.
 -  It is anticipated that vanilla and chocolate will be top-selling flavors in 2000.
 -  Top-selling health food store products such as tofu and wheat germ have failed to enter the mainstream American consciousness.
 -  He has become one of our top-selling wildlife painters, but, more importantly, he has become one of our closest friends.
 -  Such observations on changing Chinese style are vital to his job, which includes maintaining their lead as China's top-selling lipstick.
 -  This brand is now the top-selling organic milk in both mainstream supermarkets and natural foods outlets.
 -  Mangos are among the top-selling fresh fruits at local supermarkets.
 
 Synonyms
very successful, very popular