non·re·turn·able 
/ˌnɑ:nrɪˈtɚnəbəl/ adjective
/ˌnɑ:nrɪˈtɚnəbəl/ adjective 1 : not allowed to be returned to a store for money or something of similar value
▪ Clothing bought during the sale is nonreturnable. [=you cannot bring it back to the store in exchange for the money you paid for it] ▪ nonreturnable bottles/cans 2 : not to be returned
▪ a nonreturnable [=nonrefundable] deposit
▪ Clothing bought during the sale is nonreturnable. [=you cannot bring it back to the store in exchange for the money you paid for it] ▪ nonreturnable bottles/cans
▪ a nonreturnable [=nonrefundable] deposit
