Improvs are a form of improvisation that allows actors to create dialogue and scenes on the spot. They are a popular form of entertainment and can be found in various mediums, including theater, film, and television. Synonyms for improvs include improvisation, ad-libbing, spontaneous, impromptu, extemporaneous, on-the-spot, off-the-cuff, unscripted, and unrehearsed. Each of these terms describes the ability to perform without a plan, making it a great skill for actors to possess. Improvs can be a fun way to showcase an actor's talents and can lead to unexpected moments of brilliance on stage or in front of the camera.