The word "unbuyable," which means not available for purchase, has a wide range of antonyms that describe things that can be obtained or acquired. Some of the antonyms for unbuyable include purchasable, attainable, buyable, acquirable, obtainable, accessible, and affordable. These words imply that something is within reach or can be accessed with some effort, whether it be through monetary means, hard work, or other resources. Another set of antonyms for unbuyable includes intangible, immaterial, priceless, and irreplaceable, which describe things that cannot be bought with money, such as love, friendship, or memories.