From Longman Dictionary of Contemporary Englishsold outˌsold ˈout, sold-out ●●○ adjective 1 APDSif a concert, performance etc is sold out, all the tickets for that show have been sold The group will play three sold-out shows at Wembley Stadium.2 if a shop or store is sold out of a particular product, it has sold all of that productsold out of The store was completely sold out of tuna fish.