1. A standard or routine investigation conducted following normal procedures and protocols, typically without special circumstances or urgency
The police conducted an ordinary investigation into the missing person case.
A polícia realizou uma investigação ordinária sobre o caso da pessoa desaparecida.
2. In legal contexts, an investigation that follows standard judicial procedures rather than expedited or special procedures
The court ordered an ordinary investigation to determine the facts of the matter.
O tribunal ordenou uma investigação ordinária para apurar os fatos do caso.