Knocked down is a term that can be used to describe the act of toppling, razing, flooring, decking, laying low, or flattening something. TOPPLED means to cause something to fall over, usually by pushing it or hitting it. Razed means to demolish or level something to the ground. FLOORED means to knock someone down or to surprise them with something. DECKED means to hit someone hard enough to knock them down. Laidlow means to bring someone or something down to a lower level. FLATTENED means to press something flat or to make something level.