(noun)
a state in which one lacks self-control and is beyond reason, due to being either in a frenzy (a wild and uncontrolled state) or in a trance (semi-consciousness, a daze);
e.g. In his ecstasy, he began to dance wildly.
(noun)
a recreational drug derived from amphetamine that has hallucinogenic and mood-enhancing (euphoric) properties;
e.g. They took pills of ecstasy before going to the nightclub.