Overturns refers to the act of turning over or flipping something upside down. The antonyms of this term would be words that signify the opposite of this action. Some of the antonyms for overturns could include terms like upright, erect, old-fashioned, restore, strengthen, or support. These words suggest concepts like stability, durability, and steadfastness. Synonyms for upright include standing, vertical, and erect. In contrast, restore and strengthen indicate a process of building up or repairing something that has toppled or weakened. Supporting something means to provide it with the necessary foundations and structure to remain in place. Therefore, these antonyms provide an alternative way to talk about stability and strength.