The antonyms for the word "ascendings" are descents, descendings, or declines. These terms refer to the opposite movement of ascending, where an object or person moves downward usually from a higher place to a lower place. Descending can also refer to a decrease in value, level or quality. In comparison to ascending which refers to progress, success, or growth, descending has negative connotations implying a loss of status or achievement. It is important to note that the antonym for a particular word provides a contrast and a better understanding of the concept referred to by the word.