Duty-free and Toll-free

Duty-free adjective - Exempt from duty.

Toll-free and duty-free are semantically related. In some cases you can use "Toll-free" instead an adjective phrase "Duty-free".

Toll-free adjective - Having no toll levied for its use.

Duty-free and toll-free are semantically related. You can use "Duty-free" instead an adjective phrase "Toll-free".