drug
noun
\ ˈdrəg
\
\
Definition of drug
(Entry 1 of 3)
1a
: a substance used as a medication or in the preparation of medication
b according to the Food, Drug, and Cosmetic Act
(1)
: a substance recognized in an official pharmacopoeia or formulary (see formulary sense 3)
(2)
: a substance intended for use in the diagnosis, cure, mitigation, treatment, or prevention of disease
prescription drugs drugs for treating high blood pressure
(3)
: a substance other than food intended to affect the structure or function of the body
(4)
: a substance intended for use as a component of a medicine but not a device or a component, part, or accessory of a device
2
: something and often an illegal substance that causes addiction, habituation (see habituation sense 2b), or a marked change in consciousness
keeping teens off drugs heroin and other hard drugs
3
: a commodity that is not salable or for which there is no demand (see demand entry 1 sense 3a)
—used in the phrase drug on the market
4
obsolete
: a substance used in dyeing or chemical operations
drug
verb
drugged;
drugging
Definition of drug (Entry 2 of 3)
1
: to affect with a drug (see drug entry 1)
especially
: to stupefy by a narcotic drug
looks like he's been drugged
2
: to administer a drug to
drugged against pain
3
: to lull or stupefy as if with a drug
the kind of overly familiar music that delights most audiences and drugs most critics — Time
: to take drugs for narcotic effect