Adj. | 1. | over-the-counter - purchasable without a doctor's prescription; "nonprescription drugs"; "an over-the-counter cold remedy" medicament, medication, medicinal drug, medicine - (medicine) something that treats or prevents or alleviates the symptoms of disease prescription - available only with a doctor's written prescription; "a prescription drug" |
2. | over-the-counter - (of securities) not traded on a stock exchange; "over-the-counter stocks" unlisted - not on a list; "an unlisted telephone number" |