The phrase "bottomless purse" typically refers to an endless supply of money or resources. However, there are other words that can be used to convey a similar concept. For example, "unlimited funds" or "inexhaustible wealth" could be used to describe a bottomless purse. Similarly, "endless resources" or "limitless budget" can also convey the idea of endless financial support. Other synonyms for bottomless purse include "deep pockets" or "never-ending cash flow." Regardless of the word choice, the underlying meaning remains the same: an abundance of resources without any clear limits or constraints.