Play money is a term that is commonly used to refer to fake or pretend currency that is used in games or other contexts where actual money is not required. There are a variety of different synonyms for the term play money that can be used depending on the specific context in which it is being used. Some common synonyms for play money include pretend money, toy money, game currency, fake money, and monopoly money. Each of these terms reflects a slightly different nuance or emphasis, but they are all generally interchangeable with the term play money in most situations.