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Noun: improvisation  `im-pru-vI'zey-shun
  1. A creation spoken or written or composed extemporaneously (without prior preparation)
     
  2. An unplanned expedient
    - temporary expedient
     
  3. A performance given extempore without planning or preparation
    - extemporization, extemporisation [Brit]

Derived forms: improvisations

See also: improvise

Type of: creation, expedient, performance

Encyclopedia: Improvisation