1. A narrative or tale told without prior preparation or planning; an improvised account or fictional narrative created spontaneously
The comedian delighted the audience with an extemporaneous story about his travels.
O comediante deliciou o público com uma história improvisa sobre suas viagens.
2. A spoken story delivered on the spot without notes or rehearsal, often in response to a prompt or audience request
She was known for her ability to tell extemporaneous stories at dinner parties.
Ela era conhecida por sua habilidade de contar histórias improvisadas nas reuniões de jantar.