Multicolorous is a word that describes an object or item that is composed of multiple colors. Synonyms for this word include variegated, polychromatic, chromatic, kaleidoscopic, rainbow-like, and many others. Variegated is often used to describe objects with contrasting or unevenly distributed colors, while polychromatic generally refers to objects with many different colors. Chromatic is a more general term that describes anything related to color, while kaleidoscopic connotes a constantly-changing array of colors. Rainbow-like is often used to imply a highly saturated or vivid display of colors. Overall, there are many great words that can be used to describe multicolorous objects, each with its own unique connotations.