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Noun: improvisation  ,im,pró-vu'zey-shun or ,im-pru-vu'zey-shun [N. Amer], ,im-pru-vI'zey-shun [Brit]
  1. A creation spoken, 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], improv, impro

Derived forms: improvisations

Type of: creation, expedient, performance

Encyclopedia: Improvisation