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

Derived forms: impros

Encyclopedia: Impro

• one-sidedness
• one-sixteenth
• one-sixth
• one-sixtieth
• one-sixty-fourth
• one-size-fits-all
• one-spot
• one-step
• one-ten-thousandth
• one-tenth
• one-third
• one-thirty-second
• one-thousandth
• one-to-one
• one-track
• one-track mind
• one-trillionth
• one-twelfth
• one-two
• one-upmanship
• one-way
• one-way light time
• one-way street
• one-winged
• one-woman