Any animal, vegetable, or mineral substance used in the composition of medicines.

Any commodity that lies on hand, or is not salable; an article of slow sale, or in no demand; -- used often in the phrase "a drug on the market".

any stuff used in dyeing or in chemical operations.

any substance intended for use in the treatment, prevention, diagnosis, or cure of disease, especially one listed in the official pharmacopoeia published by a national authority.

a matter that might reflect on the individual in a way that isn't the case with someone who experimented at university

a vicious trap, I hope she gets better soon and finds her OWN way in life

a violent way of bringing about sleep