The word "disimproved" is used to describe a situation where something has become worse or declined in quality. However, there are several antonyms for this word that can be used to describe the opposite situation. These include improved, enhanced, better, upgraded, and progressed. When something has improved, it has become better in quality or condition. Enhanced means something has been made better by adding something extra. Better signifies an augment in quality, while upgraded is an antonym used to explain a shift from a lower state to a higher state. Progressed is the ability to move forwards in improvement. All these antonyms portray a positive shift from a previous state to a better one.