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Definitions of impromptu
  1. adjective
    with little or no preparation or forethought
    "an impromptu speech"
  2. adverb
    without advance preparation
  3. noun
    an extemporaneous speech or remark
    "a witty impromptu must not sound premeditated"
    type of:
  4. noun
    a short musical passage that seems to have been made spontaneously without advance preparation
Explanation of impromptu
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