1. A poorly performed or badly managed carrying out of a task, plan, or sentence
The bungled execution of the military operation resulted in significant losses.
A execução fracassada da operação militar resultou em perdas significativas.
2. In capital punishment context: an execution carried out with errors or complications causing suffering
The bungled execution sparked widespread protests against the death penalty.
A execução mal realizada provocou protestos generalizados contra a pena de morte.