Bottoming out refers to a situation in which a trend or a graph reaches its lowest point or the lowest level possible. The opposite of bottoming out is peaking or reaching the highest point. While bottoming out indicates a decline, peaking signifies growth, progress, and success. Antonyms for the phrase "bottoming out" include bouncing back, improving, rising, soaring, and surging. When a graph or trend is said to be bottoming out, it's evident that things are not going well; however, in the case of antonyms such as bouncing back or surging, one can assume that things are on the upswing.