Fungible describes things that can be exchanged for something else of the same kind or value. This applies to currency, goods, and commodities. Essentially, a fungible item is interchangeable with another of its kind. For instance, any dollar bill is fungible, as it can be exchanged for another dollar or equivalent in smaller denominations. Fruits and vegetables are also considered fungible in certain contexts, allowing for substitutions within a set amount. In sports, team lineups can be fungible, meaning they are adaptable to different situations. Bitcoin is treated as a fungible asset, with its value dictated by market forces. The word originates from the Latin verb "fungi," meaning "to perform," not from "fungus." This means fungible is unrelated to fungi, despite the similar sound. While less common than "function," fungible appears in legal, technological, and economic discussions. Non-fungible items, like a specific work of art or an NFT, cannot be directly exchanged for another identical item. Broadly, fungible can also signify being readily changeable to suit new circumstances.