Definition of ephemeral adjective from the Oxford Advanced American Dictionary

     

    ephemeral

     adjective
    adjective
    NAmE//ɪˈfɛmərəl//
     
    (formal)
     
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  1. 1lasting or used for only a short period of time synonym short-lived
  2. 2 ephemeral pleasures leaflets, handouts and other ephemeral material
See the Oxford Advanced Learner's Dictionary entry: ephemeral