Definitions for "Designer drug"
An illegally manufactured chemical whose molecular structure is altered slightly from a parent compound to enhance specific effects. Examples include DMT, DMA, DOM, MDA and MDMA (ecstasy).
a psychoactive drug deliberately synthesized to avoid anti-drug laws; mimics the effects of a banned drug; law was revised in 1986 to ban designer drugs
an analog, a chemical compound that is similar in structure and effect to another drug of abuse but differs slightly in structure
a compound that is chemically altered from the form of a controlled substance in order to produce special effects and to bypass legal regulations