Washboard/ˈwɑːʃbɔːrd/ Definition 1 of 4Pro Tip 1/3Antiquated Tool Washboard is rarely used today for washing clothes due to modern appliances. My grandmother reminisced about using a washboard in her youth. Pro Tip 2/3Physical Effort Using a washboard implies manual labor and a hands-on approach to washing. Before washing machines, doing laundry with a washboard was hard work. Pro Tip 3/3Historic Context Washboards are often mentioned to evoke a sense of the past or rustic life. The cabin had an old-fashioned washboard hanging on the wall.