Definition of ecstasy noun from the Oxford Advanced American Dictionary

     

    ecstasy

     noun
    noun
    NAmE//ˈɛkstəsi//
     
    (pl. ecstasies)
     
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  1. 1[uncountable, countable] a feeling or state of very great happiness synonym bliss
  2. 2 Ecstasy [uncountable] (abbreviation E) an illegal drug, taken especially by young people at parties, clubs, etc.
See the Oxford Advanced Learner's Dictionary entry: ecstasy