The term monochrome is often used to describe an image or piece of art that is composed of shades of a single color, usually black or white. However, there are many other words that can be used to describe a monochrome style. One of the most common synonyms for monochrome is grayscale, which refers specifically to shades of gray. Other synonyms include achromatic, which refers to a lack of color, and tone-on-tone, which describes a single color used in different shades and textures. Other words that can be used to describe monochrome styles include monotone, sepia-toned, and noir-ish. Regardless of the term used, a monochrome style can be both striking and understated, adding a timeless aesthetic to any work.