Surtax/ˈsɜːrtæks/ Definition 1 of 1Pro Tip 1/3Policy Change Surtax often arises from new policies to address specific issues. A surtax was added on luxury cars to combat excessive consumption. Pro Tip 2/3Temporary Measure Surtaxes may be temporary, existing only until a goal is met. The surtax will last until the road repairs are completed. Pro Tip 3/3Public Reaction Surtax can be controversial and may cause public debate or dissatisfaction. Citizens protested the sudden surtax on educational resources.