Sami didn't stop the illicit relationship.

He uses bitcoins to purchase illicit drugs.

Fadil and Layla had an illicit affair.

Their illicit romance was both dangerous and exciting.

Over the last decade, Estonia has reported that heroin has largely been replaced by fentanyl on the illicit market.

Sami was too involved in an illicit relationship.

That’s why we’ve pushed for transparency and cooperation in rooting out corruption, and tracking illicit dollars, because markets create more jobs when they're fueled by hard work, and not the capacity to extort a bribe.

No circumstance, no purpose, no law whatsoever can ever make licit an act which is intrinsically illicit.

Sami and Layla continued their illicit love relationship.

Sami learned about Layla and Farid's illicit affair.