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

• self-collected
• self-colored
• self-coloured
• self-command
• self-complacency
• self-complacent
• self-conceit
• self-conceited
• self-conceitedly
• self-concern
• self-condemnation
• self-confessed
• self-confidence
• self-confident
• self-confidently
• self-congratulation
• self-congratulatory
• self-conscious
• self-consciously
• self-consciousness
• self-consistent
• self-constituted
• self-contained
• self-contemplation
• self-contempt