A slipper, also called a houseshoe,'s a soft and lightweight indoor type of casual footwear. Domestic footwear customs The word's recorded in English in 1478, deriving from the much older verb to slip, the notion being of footwear that's "slipped" onto the foot. Slippers may be shaped like a standard shoe (foot inserted through top), or may have no heel, so the foot can be slipped in the back. They now come in many colourful designs – cartoon characters, patterns and animals are often use… (More on Slipper)