duty–free

1 ENTRIES FOUND:
duty–free /ˌduːtiˈfriː/ Brit /ˌdjuːtiˈfriː/ adjective
duty–free
/ˌduːtiˈfriː/ Brit /ˌdjuːtiˈfriː/
adjective
Britannica Dictionary definition of DUTY–FREE
1 
: not taxed when taken into another country
2 
: selling goods that will not be taxed when taken into another country

— duty–free

adverb