The term "un colored" refers to something that lacks color or is colorless. Its antonym, therefore, would be a word that describes something that is full of color or has many colors. Some possible antonyms for "un colored" include vibrant, colorful, bright, vivid, and richly hued. These words describe things that are visually striking and exciting, such as a beautiful sunset or a brightly colored painting. Using antonyms can add depth and variety to our vocabulary, and can help us express ourselves more effectively when writing or speaking. By using the opposite of a word, we can convey a richer and more nuanced meaning.