1. a federal agent or police officer who investigates drug trafficking and narcotics crimes
Usage: informal; chiefly U.S.
2. a person who is addicted to narcotics
Usage: informal; dated

1. relating to or involving narcotics or narcotics enforcement
Usage: informal

Examples

• The narco unit arrested three suspects in a major drug bust.
• She worked as a narco for the DEA for over a decade.
• Narco operations often involve undercover agents.
• The documentary followed narco agents on their daily patrols.
• He struggled with addiction after years as a narco.
• The narco task force coordinated with local police departments.