improvization
Definitions
The act or process of creating, performing, or composing something spontaneously without prior preparation.
Something that is created or performed spontaneously or without preparation.
Examples
The jazz musician's brilliant improvization during the solo left the audience in complete awe.
Success in high-stakes business negotiations often requires a certain degree of quick-thinking improvization.
Synonyms
extemporization ad-libbing spontaneity inventiveness improvising off-the-cuff performance
Antonyms
preparation rehearsal planning scripting deliberation premeditation