The antonyms of the word "wast a fiasco" would be success, victory, triumph, accomplishment, achievement, gain, prosperity, progress, and advancement. These words represent a positive outcome or a productive and fulfilling result of an event or an action. Unlike fiasco, which denotes failure or disaster, the antonyms of this word evoke a sense of accomplishment, growth, and progress. When we strive towards our goals with dedication and perseverance, we often experience success and triumph. Such positive outcomes give us the motivation and confidence to pursue further goals and reach greater heights. Therefore, it is important to focus on the antonyms of wast a fiasco and strive towards success and progress in our lives.