Main Entry: ec·sta·sy

Pronunciation: \ˈek-stə-sē\

Function: noun

Inflected Form(s): plural ec·sta·sies

1 : a trance state in which intense absorption (as in religious ideation) is accompanied by loss of sense perception and voluntary control
2 often capitalized : a synthetic amphetamine analog C₁₁H₁₅NO₂ used illicitly for its mood-enhancing and hallucinogenic properties—called also MDMA, methylenedioxymethamphetamine, XTC

—ec·stat·ic \ek-ˈstat-ik\ adjective