A closing out sale is a popular term used to refer to a sale that is held for the purpose of clearing out inventory before closing a business or discontinuing a product line. While this term is widely used, there are several other phrases that can convey the same meaning. Some synonyms for closing out sale include liquidation sale, clearance sale, final sale, end-of-season sale, and blowout sale. These phrases are commonly used by retailers and businesses to attract customers and clear their remaining stock. Regardless of the wording, a closing out sale is a great opportunity for shoppers to snag some great deals before they're gone for good.