drug vs antagonist

Other hyponyms of drug include aborticide, abortifacient, abortion-inducing drug, agonist, anaesthetic, anaesthetic agent, anesthetic, anesthetic agent, antisyphilitic, anti-TNF compound, botanical, brand-name drug, proprietary drug, controlled substance, dilator, diuretic, diuretic drug, water pill, drug of abuse, street drug, Feosol, Fergon, fertility drug, generic drug, intoxicant, levallorphan, Lorfan, medicament, medication, medicinal drug, medicine, miotic, miotic drug, myotic, myotic drug, mydriatic, mydriatic drug, narcotic, pentoxifylline, Trental, consciousness-altering drug, mind-altering drug, psychoactive drug, psychoactive substance, psychotropic agent, relaxant, hypnotic, soporific, excitant, stimulant, stimulant drug, appetite suppressant, suppressant, synergist, anti-impotence drug, virility drug, arsenical.