This is the 10979th most frequent Portuguese word.
interrompidas
Broken, discontinued, or interrupted.
Here, 'interrompidas' indicates that a process (the broadcasts) was halted or temporarily stopped due to an issue.
As transmissões do programa foram interrompidas devido a problemas técnicos.
The broadcasts of the program were interrupted due to technical problems.
In this sentence, 'interrompidas' is used to express that ongoing activities were stopped by an external factor (rain).
As atividades no parque foram interrompidas pela chuva.
The activities in the park were interrupted by the rain.
This usage of 'interrompidas' shows that an action being carried out (conversations) came to a halt due to a specific event (the arrival of the supervisor).