The phrase "went waste" refers to something that has been wasted or lost without being utilized effectively. Antonyms for this phrase would include terms such as "utilized," "saved," "preserved," "conserved," "invested," "reused," "recycled," "repurposed," and "efficiently managed." Using these words instead of "went waste" emphasizes the positive consequences of taking action rather than allowing resources to be wasted needlessly. For example, instead of saying, "The food went waste," we could say, "The food was utilized effectively," which emphasizes the importance of using resources wisely and minimizing waste.