The antonyms for the word "corners market" can be found in various aspects. Firstly, instead of corners, the antonym could be "open space" or "square," implying a more open and less-enclosed marketplace. Alternatively, in terms of the kind of market, antonyms could include phrases like "mega market" or "department store," denoting a much more extensive and expansive marketplace. The opposite of corner market could also be "online marketplace" or "virtual marketplace," which describe digital marketplaces that are not physically located in any specific place. Finally, "global market" or "international marketplace" could be the antonym, highlighting a business environment that is more extensive than just a single city corner market.