A substance used to treat an illness, relieve a symptom, or modify a chemical process in the body for a specific purpose.
Anything, such as a substance, emotion, or action, to which one is addicted.
A psychoactive substance, especially one which is illegal and addictive, ingested for recreational use, such as cocaine.
Any commodity that lies on hand, or is not salable; an article of slow sale, or in no demand.
To administer intoxicating drugs to, generally without the recipient's knowledge or consent.
To add intoxicating drugs to with the intention of drugging someone.
To prescribe or administer drugs or medicines.
A medicine that is protected by a patent.
Any medicine with a proprietary formula which can be bought without a prescription, irrespective of whether it is protected by a patent.