smuggling
n. uncountable B2 Upper Intermediate US //ˈsməɡəɫɪŋ// UK //smˈʌɡlɪŋ// smug·gling
n. the act of moving goods across borders secretly to avoid paying taxes or breaking laws.
n. the illegal transportation of goods across national boundaries, typically to evade customs duties or import restrictions.
Smuggling is a serious crime in many countries.
The border guards caught him smuggling gold bars in his suitcase.
Historical smuggling routes often followed the rugged coastline, allowing merchants to bypass strict port regulations and heavy taxation.