Bristliness is a term used to describe the quality of something being rough and prickly to the touch. This term can also refer to something being coarse or stiff in texture, such as hair or fur. Some synonyms for bristliness include roughness, coarseness, prickliness, stiffness, ruggedness, and harshness. These terms are commonly used to describe various textures, materials, and surfaces, such as rough fabrics or difficult terrain. When describing a person's personality, bristliness might also be used to suggest that someone is abrasive or confrontational. However, it's important to note that these synonyms for bristliness can have different connotations depending on the context in which they are used.