Nopar stock is a term typically used in the financial world to describe shares that have no par value assigned to them. However, there are several synonyms for this term that can be used interchangeably. Some common synonyms include no-par-value stock, stock without nominal value, and non-denominated stock. These synonyms all refer to the same concept of shares that do not have a predetermined minimum value attached to them. Nopar stock is increasingly gaining popularity, as it gives companies the flexibility to assign a value to their shares based on market demand and other factors.