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

• college student
• collegial
• collegian
• collegiate
• collegiate church
• collegiate dictionary
• Collembola
• collembolan
• collenchyma
• collet
• collet chuck
• collide
• collide with
• collider
• collie
• collier
• colliery
• colligate
• colligation
• collimate
• collimation
• collimator
• collinear
• collins
• Collinsia