surtax Syllabification: (sur·tax)Pronunciation: /ˈsərˌtaks/Translate surtax | into Italian Definition of surtax noun an additional tax on something already taxed, such as a higher rate of tax on incomes above a certain level. Origin: late 19th century: from French surtaxe (see sur-1, tax)surtax in other Oxford dictionaries Definition of surtax in the British & World English dictionary
