This is the 513th most frequent Malay word.
disiasat
"Disiasat" means "investigated."
The word 'disiasat' in this sentence means 'being investigated', referring to an action carried out by the authorities as part of an examination or inquiry.
Kes itu sedang disiasat oleh pihak berkuasa.
The case is being investigated by the authorities.
In this instance, 'disiasat' refers to ongoing research or examination of a topic by researchers.
Persoalan tersebut telah lama disiasat oleh para penyelidik.
The question has long been investigated by researchers.
Here, 'disiasat' implies the thorough review or scrutiny of the report to understand or verify its content.