wardrobe, in furniture, a large cupboard, usually equipped with drawers, a mirror, and other devices, used for storing clothes. A wardrobe is a tall cupboard or cabinet in which you can hang your clothes. Someone's wardrobe is the total collection of clothes that they have. A wardrobe is sometimes built into the wall of a room, rather than being a separate piece of furniture. In American English, a built-in wardrobe is called a closet.