Top dollar is a phrase used to describe the highest possible price or payment for something. However, there are several other phrases you can use in place of top dollar. One option is "top price," which refers to the highest amount someone is willing to pay for an item. Another option is "full value," which denotes that an item is being sold for its worth in the market. You can also use "top rate" to convey the highest level of payment or compensation. Other synonyms for top dollar include "premium price," "fair market value," and "top whack." Whether you are negotiating a price or discussing compensation, using different synonyms for top dollar can help you convey your message more clearly.