designer drug

noun

1. a drug produced by a minor modification in the chemical structure of an existing drug, resulting in a new substance with similar pharmacologic effects, especially one created to achieve the same effect as a controlled or illegal drug.

noun

1. any of various narcotic or hallucinogenic substances manufactured illegally from a range of chemicals
2. med a drug designed to act on a specific molecular target

n.

1. A drug with properties and effects similar to a known hallucinogen or narcotic but having a slightly altered chemical structure, especially such a drug created in order to evade restrictions against illegal substances.

1. Any of various drugs with properties and effects similar to a known hallucinogen or narcotic but having a slightly altered chemical structure, especially such a drug created in order to evade restrictions against illegal substances.

A drug that is manufactured to target a specific molecule in the body, for example, to treat a specific disease or condition.