ˌsold ˈout , ˈsold-out adjective

1. if 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 product
sold out of
The store was completely sold out of tuna fish.

[TahlilGaran] Dictionary of Contemporary English ▲

sold out
a product/ticket is completely sold from a store or event
All of the latest DVD's are sold out at the moment.

[TahlilGaran] English Idioms Dictionary ▲