contraband

Concise Oxford English Dictionary © 2008 Oxford University Press:
contraband /ˈkɒntrəband/

▶noun goods that have been imported or exported illegally.

■ trade in smuggled goods.

■ (also contraband of war) goods forbidden to be supplied by neutrals to those engaged in war.

▶adjective imported or exported illegally.

– derivatives
contrabandist noun.

– origin C16: from Sp. contrabanda, from Ital. contrabando, from contra- ‘against’ + bando ‘proclamation, ban’.