English Reference
noun · adjective

narcotics

n. · adj.
US /nɑɹˈkɑtɪks/ UK /nɑːkˈɒtɪks/ nar·cotics

  1. 01 C1 Advanced FormalTechnical Law

    n.illegal drugs that people use to change how they feel, which are often addictive.

    n.illegal drugs, specifically those that affect the central nervous system; in a strict legal sense, it refers to opioids, though it is often used for any illicit drug.

    Simple

    The police arrested the man for selling narcotics near the park.

    In context

    The international task force was established to disrupt the flow of narcotics across the border and dismantle the associated criminal networks.

    Usage

    Usually used in the plural form when referring to the drugs themselves.

    Teacher's tip

    In everyday conversation, people usually just say 'drugs'. 'Narcotics' is the word you will hear on the news, in police reports, or in legal documents.

  2. 02 C1 Advanced FormalTechnical Law

    adj.relating to illegal drugs or the police departments that deal with them.

    adj.pertaining to illicit psychoactive substances or the legal and enforcement frameworks surrounding them.

    Simple

    He works for the narcotics division of the city police.

    In context

    The detective spent three years working undercover for the narcotics unit before returning to a standard patrol role.

    Usage

    Often used as an attributive adjective before nouns like 'officer', 'unit', or 'trafficking'.

    drug related

The authorities said they uncovered the network after four flight attendants arriving from Paris were found with narcotics hidden in toothpaste tubes.

The New York Times· 3 Sept 2026

According to the Justice Department, LBD distributed at least 340kg of fentanyl or fentanyl-laced narcotics and at least 2,200kg of cocaine in the last five years.

Al Jazeera· 27 Aug 2026

From narcotic + -s.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level C1 · Advanced
Frequency Frequent
Updated