Soapiness is the quality or characteristic of being soapy. When describing the feeling or texture of a soap, there are several synonyms that can be used to convey the same meaning. Sudsiness, lather, foaminess, and bubbly are words that are commonly used in place of soapiness. These words evoke the image of a soap producing bubbles and suds when mixed with water or rubbed onto the skin. Other synonyms for soapiness include slipperiness, slickness and oiliness, which refers to the smooth texture of a soap as it glides over the skin. No matter which synonym one chooses to use, they all describe the same quality that makes soap unique.