'Narcotic' definitions:

Definition of 'narcotic'

(from WordNet)
adjective
Of or relating to or designating narcotics; "narcotic addicts"; "narcotic stupor"
adjective
Inducing stupor or narcosis; "narcotic drugs" [syn: narcotic, narcotizing, narcotising]
adjective
Inducing mental lethargy; "a narcotic speech" [syn: narcotic, soporiferous, soporific]
noun
A drug that produces numbness or stupor; often taken for pleasure or to reduce pain; extensive use can lead to addiction

Definition of 'Narcotic'

From: GCIDE
  • Narcotic \Nar*cot"ic\ (n[aum]r*k[o^]t"[i^]k), n. (Med.) A drug which, in medicinal doses, generally allays morbid susceptibility, relieves pain, and produces sleep; but which, in poisonous doses, produces stupor, coma, or convulsions, and, when given in sufficient quantity, causes death. The best examples are opium (with morphine), belladonna (with atropine), and conium. [1913 Webster]
  • Nercotykes and opye (opium) of Thebes. --Chaucer. [1913 Webster]

Definition of 'Narcotic'

From: GCIDE
  • Narcotic \Nar*cot"ic\ (n[aum]r*k[o^]t"[i^]k), a. [F. narcotique, Gr. narkwtiko`s, fr. narkoy^n to benumb, na`rkh numbness, torpor.] (Med.) Having the properties of a narcotic; operating as a narcotic. [1913 Webster] -- {Nar*cot"ic*ness}, n. [1913 Webster]