Informal Improvisation: practiced improv with my acting class. (noun)
Informal An improvisation: did a funny improv about looking for a job. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "improv" in a sentence
"One of the goals in improv is to bypass the inner critic and just do the first physical action that drops into your mind."
"And their improv is almost always better than the script."
"Rifling through a funky set that included bass-heavy grooves like "It's Ice," "NICU" and "The Moma Dance," Phish kicked off its fall tour in improv-laden style."