duty-free noun 2adjective 1forms 1 noun2 •A duty-free article, especially part of the allowance of such goods allowed to be imported.We brought back so much duty-free we could hardly walk. •A shop where duty-free goods can be bought.Have you been to Melbourne airport's duty-free? adjective1 •Exempt from duty, especially from customs duty.CBP told CNN it currently processes “nearly 4 million duty-free de minimis shipments a day.” — 2025 formsduty-frees