1. the act or process of removing unwanted items, debris, or buildup from a space or container
Usage: often used in the context of cleaning out a room, closet, drain, or similar space
2. a complete removal of money, resources, or supplies; a depletion
Usage: informal

Examples

• We did a major cleanout of the garage last weekend.
• The plumber performed a cleanout of the clogged drain.
• After the holiday sales, the store had a complete cleanout of its inventory.
• A spring cleanout of your closet can help you organize your wardrobe.
• The financial crisis resulted in a cleanout of the company's reserves.
• We scheduled a cleanout of the basement to make room for new storage.