1. A public statement or declaration made without prior preparation, practice, or planning
The CEO made an unrehearsed announcement about the company restructuring, catching everyone off guard.
O CEO fez um anúncio improvisado sobre a reestruturação da empresa, pegando todos de surpresa.
2. A spontaneous or extemporaneous statement delivered without scripts or preparation
His unrehearsed announcement at the press conference revealed his genuine emotions.
Seu anúncio improvisado na coletiva de imprensa revelou suas emoções genuínas.