Noun

• S: (n) prescription (directions prescribed beforehand; the action of prescribing authoritative rules or directions) "I tried to follow her prescription for success"
• S: (n) prescription drug, prescription, prescription medicine, ethical drug (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 prescription regularly"
• direct hyponym / full hyponym
• direct hypernym / inherited hypernym / sister term
• antonym
• W: (n) over-the-counter drug [Opposed to: prescription drug] (a drug that is sold without a prescription)
• W: (n) over-the-counter medicine [Opposed to: prescription medicine] (a drug that is sold without a prescription)
• S: (n) prescription (written instructions for an optician on the lenses for a given person)
• S: (n) prescription (written instructions from a physician or dentist to a druggist concerning the form and dosage of a drug to be issued to a given patient)

Adjective

• S: (adj) prescription (available only with a doctor's written prescription) "a prescription drug"