Smuggling was an illegal transport, in particular across a border where taxes were avoided, the goods themselves being illegal for unlicensed possession or people were transported to a place where they were not allowed to be. (DS9: "Honor Among Thieves") Those who engaged in smuggling were called smugglers. Enolians took a dim view of smuggling and tended to make examples of those engaged in it. (ENT: "Canamar")
In the 23rd century, smuggling was one of the many offenses committed by Harcourt Fenton Mudd. His sentence for this crime was suspended. (TOS: "Mudd's Women")
In 2370, Jean-Luc Picard used the alias of "Galen", claiming to be a long-time smuggler. (TNG: "Gambit, Part II")
Smuggling activities aboard DS9[]
By the 24th century, the Orion Syndicate included among its principal activities smuggling, piracy, slave trading, and assassination. (DS9: "Honor Among Thieves")
During the Occupation of Bajor Razka Karn had been a smuggler. (DS9: "Indiscretion")
In 2369 Quark became involved with Rao Vantika who had taken over Bashir's body in a smuggling operation. (DS9: "The Passenger")
In late 2369/early 2370, Quark helped expose a defective isolinear rod smuggling operation run by a group of Subytts. (DS9: "The Homecoming")
In 2370, Xepolites were involving in smuggling of weapons to Cardassian colonists in the Demilitarized Zone. (DS9: "The Maquis, Part II")
In 2372, Regana Tosh was a member of the Markalian species who worked for the Markalian smuggling operation. He was arrested by Odo. (DS9: "Hippocratic Oath")
Later, Odo arrested Quark for attempted kemocite smuggling. (DS9: "Little Green Men")
Also that year, a Boslic freighter was involved in a contraband smuggling operation uncovered by Klingon-turned-Bajoran officer Kurn. (DS9: "Sons of Mogh")
In 2372, Kasidy Yates accepted sole responsibility for her ship's smuggling activities, and after allowing her crew to rejoin the Maquis she returned to Deep Space 9 to face punishment. She was sent to prison for her actions. (DS9: "For the Cause")
In 2374, Zevian authorities requested information on a smuggling ring from the security office at Deep Space 9. (DS9: "His Way")