1. to shorten or cut short the ending or conclusion of something, such as a performance, event, or narrative
The director decided to truncate the finale due to time constraints.
O diretor decidiu truncar o final devido às limitações de tempo.
2. to abruptly end or abbreviate the concluding part of a presentation or show
They had to truncate the finale when the power went out.
Tiveram que truncar o final quando a energia acabou.