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extemporaneously

extemporanément

extemporaneous

extemporané

extemporaneous adjective

  /əksˌtɛmpɚˈeɪni.əs/ , /ɛksˌtɛm.pɜː(ɹ)ˈeɪn.i.əs/
  • With inadequate preparation or without advance thought; offhand.
 impromptu
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