Smuggle (verb)

1. Bring or take (goods or people) into or out of a country secretly and in violation of the regulations or laws.
2. Introduce or hide (something) secretly or with deceitful intent.

Origin:

Late 16th century: from low german smuggeln; related to dialect smouch 'to steal', and perhaps to sneak.

Examples:

1. He was caught trying to smuggle drugs into the country.
2. She had to smuggle the banned books into the country.
3. They used to smuggle diamonds into the country hidden in the soles of their shoes.
4. The smugglers were finally caught by the border patrol.
5. He had to smuggle his pet into the country to avoid paying the import tax.