What is the opposite of dollar?

The opposite of a dollar isn't a specific currency, but rather the concept of a non-monetary value or a loss of value. In a broader context, you might consider terms like "debt" or "deficit" as opposites, since they represent a lack of wealth compared to possessing a dollar. Additionally, in a philosophical sense, the opposite could be seen as "generosity" or "giving," which contrasts with the notion of accumulating wealth.