Here's a breakdown of what it means:
* Improvise: To create something without prior preparation. In ad-libbing, this means coming up with words and actions on the spot.
* Spontaneously: Without planning or premeditation. Ad-libbing involves reacting to the moment and saying or doing what comes naturally.
* Performance or speech: This is usually the context where ad-libbing happens. Actors might ad-lib during a play, speakers might ad-lib during a presentation, or musicians might ad-lib during a performance.
Here are some examples of ad-libbing:
* An actor forgetting their lines: Instead of halting the performance, they might ad-lib a few lines to keep the scene moving.
* A comedian using audience interaction: A comedian might ask the audience a question and then riff on their responses.
* A speaker going off-script: A speaker might deviate from their prepared remarks to address a point raised by the audience.
Ad-libbing can add spontaneity, humor, and even a touch of danger to a performance. It's a skill that requires quick thinking, creativity, and a good understanding of the situation.