noun
- A drug or chemical substance whose possession and use are controlled by law. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). controlled substance. Retrieved September 20, 2026, from http://smartdefine.org/controlled_substance/definitions/1202908 |
| Chicago | WordNet. 2010. "controlled substance" http://smartdefine.org/controlled_substance/definitions/1202908 (accessed September 20, 2026). |
| Harvard | WordNet 2010, controlled substance, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/controlled_substance/definitions/1202908>. |
| MLA | WordNet. "controlled substance" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/controlled_substance/definitions/1202908> |