The word "re-tails" means to sell again, but its antonyms are the words "buy" and "acquire." When you buy something, you are purchasing it for the first time, and you become the owner of that item. On the other hand, when you re-tail something, you are selling an item that has already been sold before. Another antonym for "re-tails" is "return," which means to give back or send back an item that you have already bought. So, while "re-tail" means to sell again, its antonyms are "buy," "acquire," and "return.