1. To extend or make longer the concluding part or ending of something, such as a performance, event, or narrative
The director decided to lengthen the finale of the musical to give the cast more time for their final bows.
O diretor decidiu prolongar o final do musical para dar ao elenco mais tempo para seus últimos aplausos.
2. To delay or extend the conclusion of an event or situation
They chose to lengthen the finale of the conference with additional speeches.
Eles escolheram prolongar o final da conferência com discursos adicionais.