heroin.
A powerful and addictive drug derived from opium producing intense euphoria, classed as an illegal narcotic in most of the world.
Meaning & usage
A powerful and addictive drug derived from opium producing intense euphoria, classed as an illegal narcotic in most of the world.
Where this word comes from
Since the 1890s, by genericization from German Heroin, originally a trademark, from Ancient Greek ἥρως (hḗrōs, “hero”) and the suffix -in (“-ine”). Said to have been called thus to evoke quick and sweeping effect as a painkiller and cough suppressant (its original uses). Alternatively explained as a reference to the heroic school of medicine.
Obsolete spelling of heroine.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.