improvisation
1. [ noun ] an unplanned expedient
Synonyms: temporary_expedient
Related terms: expedient extemporize
2. [ noun ] a creation spoken or written or composed extemporaneously (without prior preparation)
Related terms: creation improvise
3. [ noun ] (performing arts) a performance given without planning or preparation
Synonyms: extemporisation extemporization
Related terms: performance improvise
Similar spelling:   imprecision
  improvised
  imprecation
  imbrication
  improvident
  imprisoned
  impregnation
  improvidence
  imprisonment
  improvidently
  improvement