1. that may be returned: returnable merchandise.
2. requiring a return, as a writ to the court from which it is issued. noun
3. a beverage bottle or can that can be returned when empty for refund of a deposit.
"backhands can be unreturnable."
"smashs can be unreturnable."
"serves can be unreturnable."
This list can help you learn new vocabulary more quickly and be able explore other words more easily.