"Brightly-colored" is a descriptive term that refers to an object or material that has a vibrant or vivid color. There are several synonyms that can be used to describe something that is brightly-colored, such as "colorful", "vibrant", "luminous", "radiant", "lively", "brilliant", "animated", and "bold". These words are commonly used to describe flowers, clothing, art, or any other object that is vibrant and eye-catching. If you want to add some flair to your writing, try incorporating these synonyms into your descriptions of brightly-colored objects to create vivid and dynamic descriptions that captivate the reader's attention.