Skip to definition.  Noun: ethical drug  e-thi-kul drúg   1. A
drug that is available only with written instructions from a
doctor or dentist to a pharmacist     "he told the doctor that
he had been taking his ethical drug regularly";     -
prescription drug, prescription, prescription medicine  Derived
forms: ethical drugs  Type of: medicament, medication, medicinal
drug, medicine  Encyclopedia: Ethical drug