1. A formal questioning or examination, especially in a legal or official context
The suspect underwent a lengthy interrogation at the police station.
O suspeito foi submetido a um longo interrogatório na delegacia.
2. The act or process of questioning someone intensively
The witness's interrogation lasted several hours.
O interrogatório da testemunha durou várias horas.
3. In legal proceedings, the examination of a witness or defendant by questioning
The attorney began the interrogatory of the defendant.
O advogado iniciou o interrogatório do acusado.