/ Thesaurus / B Synonyms of best selling Find synonyms for: Adjective1. best-selling(predicate), popular (vs. unpopular)usage: selling in great numbers; "a best-selling novel"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sumptuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language