ecstasy

ecstasy 1 A state of rapture and trancelike elation. 2 A street name for 3, 4-methylenedioxymethamphetamine (MDMA), a synthetic, mind-altering drug with hallucinogenic and amphetamine-like properties—other street names include “Adam” and “XTC.” Its chemical structure is similar to two other synthetic drugs, MDA and methamphetamine. See also designer drug.