The antonyms for the word "destroying" are preserving, protecting, safeguarding, defending, and saving. Each of these words relate to the opposite action of destroying in their own unique way. Preserving is all about retaining or conserving something for future use or enjoyment. Protecting involves shielding something from harm, danger or damage. Safeguarding means protecting something vulnerable from danger or harm. Defending is all about standing up or protecting something from attack or criticism. Finally, saving means rescuing something from harm, danger or imminent destruction. All of these antonyms provide a more positive outlook and a sense of hope in contrast to the negative and permanent nature of the act of destroying.