duty-free - definition and synonyms

noun 

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singularduty-free
pluralduty-frees
  1. 1
    [uncountable] British a system of buying or selling goods at a cheaper price than usual in particular places such as airports, because there is no tax to pay on them
  2. 2
    [uncountable] goods such as cigarettes and alcohol that you buy without paying tax on them
    1. a.