1. A form of live entertainment characterized by improvisation and interaction with the audience
   - impro 
2. (informal) improvisation
   - impro

Encyclopedia: Improv

• Wimshurst machine
• win
• win back
• win over
• win-win
• wince
• wincey
• winceyette
• winch
• Winchester
• Winchester College
• Winchester drive
• Winckelmann
• wind
• wind band
• wind bell
• Wind Cave National Park
• wind chime
• wind cone
• wind deflection
• wind down
• wind energy facility
• wind exposure
• wind farm
• wind gage