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 chemical compound that increases the chemical activity of another compound when used with it.
One who holds the religious doctrine of synergism.
Any synergistic agent.