Washing-out may be described as a state of being void of any vivid or bright characteristics, resulting in a dull and faded appearance. Antonyms for "washing-out" can be words that signify the opposite. Words such as bright, vibrant, colorful and vivid are some of the antonyms of washing-out. A bright or vivid surface is eye-catching and lively, while a washing-out surface is dull and lifeless. Other antonyms for washing-out, could be bold, sharp, intense, and saturated. All of which indicate colors that are rich, deep, and full of life. Thus, using antonyms for washing-out can help add descriptive and emotive qualities to writing, creating a more vivid, and engaging reading experience.