There are several antonyms for the commonly used phrase "making a buy". Some of them include "selling", "refusing", "rejecting", "returning", "giving away", and "donating". These antonyms express the opposite actions that can be taken when presented with a purchasing opportunity. While making a buy implies that one is acquiring something for themselves, selling involves giving something up or handing it over to someone else in exchange for payment. Refusing or rejecting a purchase means that one declines the offer, perhaps due to financial constraints or dissatisfaction with the item. Returning a product suggests dissatisfaction with it or with the seller, while giving away or donating implies free or charitable giving without any monetary transactions involved.