Antonyms for the word "storing up" could include "using up," "depleting," "spending," "disposing of," and "getting rid of." These words refer to actions that are opposite in meaning to the act of storing up, which implies retaining or accumulating something for future use. While storing up can be beneficial in certain circumstances, such as for stockpiling resources, energy, or knowledge, the opposite actions of using up, depleting, or getting rid of can also be necessary and valuable for achieving balance and sustainability in different contexts. The choice between these antonyms depends on the situation, goals, and values involved.