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bestseller

noun [C]
 
 
/ˌbestˈsel.ər/ US  //

Definition

B2 a product that is extremely popular and has sold in very large numbers: The 'Harry Potter' novels were all bestsellers. His latest book has gone to number two in the bestseller list (= the list of the most popular books).Kinds of books best-selling
 
 
adjective [before noun]
She's a best-selling author (= an author whose books are very popular).Kinds of books
(Definition of bestseller noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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