noun
- A narcotic that is considered a hard drug; a highly addictive morphine derivative; intravenous injection provides the fastest and most intense rush.
- synonyms: diacetylmorphine
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). heroin. Retrieved September 20, 2026, from http://smartdefine.org/heroin/definitions/1204812 |
| Chicago | WordNet. 2010. "heroin" http://smartdefine.org/heroin/definitions/1204812 (accessed September 20, 2026). |
| Harvard | WordNet 2010, heroin, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/heroin/definitions/1204812>. |
| MLA | WordNet. "heroin" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/heroin/definitions/1204812> |